Los Angeles Rams at Kansas City Chiefs 2026 Preseason Preview: Prediction, Betting Odds & 4 Prop Bets

Saturday, August 15, 2026

Time: 4:00 PM ET / 3:00 PM CT

Location: GEHA Field at Arrowhead Stadium, Kansas City, Missouri

TV: NFL Network / KSHB 41 Kansas City / CBS Los Angeles

Tickets: As low as $14

Betting Line: Kansas City Chiefs -2.5

Over/Under: 35.5 Points

The Kansas City Chiefs open their 2026 preseason Saturday afternoon against the Los Angeles Rams at GEHA Field at Arrowhead Stadium in a matchup where the backup quarterbacks will take center stage.

Patrick Mahomes will not play for Kansas City. Head coach Andy Reid has confirmed that newly acquired veteran Justin Fields will start instead, giving Chiefs fans their first game look at Fields in Andy Reid’s offense.

Los Angeles will also turn the offense over to its backup quarterbacks. Sean McVay announced that Stetson Bennett IV will start, while rookie Ty Simpson will also see action in his first NFL preseason game.

That creates an intriguing quarterback matchup.

Fields has extensive NFL starting experience and provides Kansas City with a legitimate dual-threat option behind Mahomes. Bennett is entering another important developmental season with Los Angeles, while Simpson represents one of the Rams’ most interesting young prospects.

Using the numbers supplied for this preview, Kansas City enters as a 2.5-point home favorite with a 35.5-point total. Bettors should check the number before wagering because the market has moved: an ESPN/DraftKings snapshot on August 14 showed Kansas City closer to -1.5 with the total around 36.5.

With neither Mahomes nor Matthew Stafford starting and both teams expected to emphasize roster evaluation, this could become exactly the kind of low-scoring preseason game where quarterback depth, turnovers and special teams determine the result.

Top Four Prop Bets

Preseason player props are not consistently available at every sportsbook. Unless your book offers the exact number listed below, these should be considered projected betting targets based on announced roles and expected playing time.

Prop Bet #1: Justin Fields Over 24.5 Rushing Yards

DraftKings

4.5/5

Tip: Fields Over 24.5 Rushing Yards

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Justin Fields immediately becomes one of the most intriguing players in Saturday’s game.

Reid has confirmed that Fields will start in place of Mahomes. Kansas City acquired Fields during the offseason after he threw for 1,259 yards with seven touchdowns and only one interception during the 2025 season.

Passing statistics aren’t the primary reason to target Fields.

It’s his legs.

Fields remains one of the NFL’s most dangerous scrambling quarterbacks. His combination of size, acceleration and open-field running ability allows him to turn a broken protection into a first down.

That skill becomes even more valuable during preseason football.

Reserve offensive linemen change throughout the game.

Receivers occasionally run the wrong route.

Pass protection isn’t as synchronized as it will be during the regular season.

Those situations force quarterbacks to improvise.

Fields is built for improvisation.

He doesn’t need Kansas City to call five designed quarterback runs. Three scrambles could be enough to push him beyond a projected 24.5-yard total.

There is also value in allowing Fields to play naturally.

Kansas City brought him in to provide a different dimension behind Mahomes. The coaching staff needs to see how comfortably he operates the offense when defenders are actually allowed to tackle.

The argument against the over is playing time.

Reid has confirmed Fields as the starter but hasn’t publicly established an exact snap count. Kansas City also needs developmental work for rookie Garrett Nussmeier, a seventh-round selection from LSU.

Fields could therefore leave before accumulating enough rushing opportunities.

There’s also no reason for Kansas City to encourage unnecessary contact on its No. 2 quarterback.

Still, his natural scrambling ability makes this an attractive projected target.

Projected Bet: Justin Fields Over 24.5 Rushing Yards

Prop Bet #2: Stetson Bennett IV Over 109.5 Passing Yards

FanDuel

4.6/5

Tip: Bennett Over 109.5 Passing Yards

• Confirmed Starting Role
• First-Team Camp Reps
• Important Backup Evaluation

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Stetson Bennett IV gets the first opportunity to lead Los Angeles’ offense.

McVay announced Bennett as Saturday’s starter after he received meaningful first-team practice repetitions during training camp when Stafford rested.

That experience matters.

Bennett isn’t walking onto the field after spending the entire summer exclusively with third-team players.

He has worked with better personnel and has become increasingly comfortable within the Rams’ offensive system. The Rams’ own preseason preview noted that Bennett has received first-team work during camp and now has an opportunity to continue developing through meaningful game snaps.

A projected total around 110 passing yards is reasonable if Bennett receives multiple series.

Los Angeles doesn’t need him to attack Kansas City vertically on every possession.

Screens.

Quick outs.

Crossing routes.

Running back checkdowns.

Play-action completions.

Those throws can accumulate yardage quickly in preseason football.

Bennett also has significant motivation.

Simpson is developing behind him and will play Saturday. Every successful Bennett possession strengthens his position within the Rams’ quarterback room.

The downside is uncertainty surrounding his exact workload.

McVay confirmed Bennett as the starter but did not announce precisely how many series or quarters he will receive.

If Los Angeles gives Bennett only a quarter before moving to Simpson, reaching 110 yards becomes considerably more difficult.

Kansas City’s defensive front presents another problem.

The Chiefs want to evaluate rookie defensive linemen Peter Woods and R Mason Thomas, two young players who could create pressure against the Rams’ reserve offensive line. Woods was Kansas City’s first-round pick at No. 29 overall.

Still, Bennett’s starting role provides enough volume potential to make the over interesting.

Projected Bet: Stetson Bennett IV Over 109.5 Passing Yards

Prop Bet #3: CJ Daniels Over 24.5 Receiving Yards

Caesars

4.4/5

Tip: Daniels Over 24.5 Receiving Yards

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CJ Daniels could become one of Los Angeles’ most productive receivers Saturday.

The rookie has spent much of training camp working with the Rams’ backup quarterbacks, which should become an advantage once Bennett and Simpson take control of the offense.

Los Angeles has specifically identified Daniels as one of the players to watch in the preseason opener. McVay praised the rookie’s maturity and said earlier in camp that he was particularly interested in seeing Daniels once preseason games arrived.

That makes a modest receiving total attractive.

Daniels doesn’t need to catch six passes.

One 18-yard completion followed by a short catch could nearly get him there.

Preseason chemistry also matters.

Backup quarterbacks generally spend significantly more practice time throwing to reserve receivers than established stars. That familiarity can translate into targets once the game reaches the second and third quarters.

Daniels has primarily worked with Los Angeles’ backup quarterbacks throughout camp, exactly the players who will be featured Saturday.

The argument against the over is target distribution.

Los Angeles has numerous young receivers to evaluate, and McVay won’t design an entire preseason game plan around one player.

Simpson’s first NFL action also creates uncertainty.

A rookie quarterback operating behind a reserve offensive line may rely heavily on short throws and checkdowns rather than pushing the ball toward the boundary.

Still, 25 yards is a manageable target for a receiver expected to receive extended preseason work.

Projected Bet: CJ Daniels Over 24.5 Receiving Yards

Prop Bet #4: Game Total Under 35.5 Points

BetMGM

4.5/5

Tip: Under 35.5 Points

• Mahomes Sitting
• Stafford Not Starting
• Heavy Backup Rotations

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The under could be the strongest overall angle.

Mahomes won’t play for Kansas City.

Bennett starts instead of Stafford for Los Angeles, and Simpson will also get his first NFL game action.

That means Saturday’s game will largely be about backup quarterbacks and roster evaluation.

Fields gives Kansas City legitimate offensive upside.

Bennett has experience in McVay’s system.

But neither team has any incentive to reveal major portions of its regular-season offensive playbook.

Los Angeles is even giving offensive coordinator Nate Scheelhaase the opportunity to call plays Saturday rather than having McVay handle those duties himself.

That further emphasizes development and evaluation.

The second half should become even more unpredictable.

Simpson will be making his NFL game debut after limited training-camp opportunities behind Stafford and Bennett. McVay has specifically said he wants to see how Simpson reacts when the pocket collapses and whether he can operate within the offense’s rules while still playing instinctively.

Kansas City should eventually give Nussmeier developmental work as well, although Reid has only publicly confirmed Fields as the starter. Nussmeier is a rookie seventh-round pick.

Young quarterbacks plus rotating offensive lines usually produce uneven possessions.

A sack ends one drive.

A holding penalty ruins another.

A bad snap creates third-and-long.

A promising possession settles for a field goal.

The strongest argument against the under is Fields.

His mobility can create touchdowns out of broken plays, and Kansas City has several young skill-position players capable of producing explosive gains.

Arrowhead also gives the Chiefs a strong home environment even during exhibition football.

But 35.5 still requires both teams to consistently finish drives.

A 20-14 game stays under.

Bet: Under 35.5 Points

The Matchup Context: A Different-Looking Chiefs Offense

Chiefs fans won’t see Patrick Mahomes Saturday.

They will see something very different.

Justin Fields.

Kansas City added Fields during the offseason, and Saturday provides the first opportunity to see how Reid uses his unique athletic ability in a Chiefs uniform. Fields enters his sixth NFL season and brings far more starting experience than the typical preseason backup quarterback.

That experience could become Kansas City’s biggest advantage.

Reid doesn’t need to completely redesign the offense for Fields.

Quick throws.

Play action.

Movement passes.

Zone-read concepts.

Designed quarterback movement.

Those elements can allow Fields to operate comfortably while Kansas City evaluates the players around him.

More importantly, the game allows the Chiefs to establish what their offense would look like if Fields ever needs to replace Mahomes during the regular season.

That’s valuable information.

Can Fields operate the huddle quickly?

Can he get Kansas City into the correct protection?

Can he make the underneath completion rather than hunting the explosive play?

Can he use his legs without taking unnecessary contact?

Those answers matter considerably more than the final preseason score.

Kansas City’s Young Quarterbacks Get Valuable Work

Fields is the headline, but Nussmeier represents the longer-term developmental story.

Kansas City selected the former LSU quarterback in the seventh round of the 2026 NFL Draft.

Preseason football is especially important for quarterbacks in his position.

Mahomes owns the starting job.

Fields is the experienced backup.

That means Nussmeier could receive very few regular-season repetitions unless injuries occur.

August is different.

The Chiefs can put him on the field and evaluate how he reacts when a pass rush becomes real.

Training camp can teach quarterbacks the offense.

Preseason games reveal whether they can execute it while someone is trying to knock them down.

The late-game performance of Kansas City’s rookie quarterback could therefore determine whether the Chiefs cover the spread.

Stetson Bennett Gets Another Important Opportunity

Los Angeles’ quarterback room creates a fascinating preseason dynamic.

Bennett has been through this before.

He has spent previous summers fighting for repetitions and trying to demonstrate that he belongs in McVay’s system.

Now he’s receiving more first-team work during Stafford’s rest periods and enters the first preseason game as the starter.

That makes Saturday an important progression point.

Bennett doesn’t need spectacular statistics.

The Rams need command.

Complete the easy throws.

Avoid negative plays.

Protect the football.

Get Los Angeles into the right formation.

Handle the two-minute offense.

Bennett should be considerably more comfortable than he was during his earliest NFL preseason appearances.

Now he needs to demonstrate that increased comfort against Kansas City’s defense.

Ty Simpson Makes His NFL Debut

Simpson may ultimately become the most fascinating player in the game.

Los Angeles selected the former Alabama quarterback as a developmental option behind Stafford, and Saturday will be his first extended NFL game opportunity.

His camp workload has been relatively limited when Stafford and Bennett were both practicing.

That makes preseason snaps extremely valuable.

McVay wants to evaluate something practice cannot completely simulate: what Simpson does when the pocket collapses.

Does he panic?

Does he escape too early?

Does he hold the football too long?

Or does he maintain his eyes downfield and find the correct receiver?

The final passing total won’t tell the entire story.

A 7-of-11 performance for 80 yards with no turnovers could be far more valuable than 150 yards accompanied by two interceptions.

Los Angeles wants evidence that Simpson can process NFL speed.

Saturday is the first major test.

Kansas City’s Running Back Competition

The Chiefs also have an interesting battle developing behind Kenneth Walker.

Kansas City’s backfield includes players fighting for complementary roles, and rookie Emmett Johnson should receive valuable preseason work. The Chiefs selected Johnson in the fifth round of the 2026 NFL Draft.

Johnson has already emphasized that his focus is making the most of whatever opportunity he receives during the preseason.

That’s exactly what Kansas City needs.

The Chiefs know what their established players can do.

Preseason is about answering the next question.

Who can protect the quarterback?

Who can catch the football?

Who contributes on special teams?

Who can close a game with six straight productive carries?

Fields’ mobility could also benefit Kansas City’s running backs.

Defenders must respect the quarterback keeping the football on option concepts, potentially creating wider running lanes inside.

That could help Kansas City control possession and support an under wager.

The Rams’ Young Receivers Take Center Stage

Los Angeles’ veteran offensive stars don’t need to prove themselves in August.

The players behind them do.

Daniels is one of the most interesting examples.

McVay has praised his maturity, attention to detail and ability to absorb coaching throughout the offseason. Daniels has spent much of camp working with the same backup quarterbacks who will play Saturday.

That makes him a logical target for Bennett and Simpson.

Preseason receivers can change their roster position quickly.

A contested catch on third down matters.

A missed assignment matters.

A dropped pass matters.

Blocking matters.

Special teams matter.

Daniels doesn’t need 100 receiving yards to have an excellent game.

Three clean receptions and strong assignment football could be enough to strengthen his case for a significant role.

Kansas City’s Rookie Defensive Front

Chiefs fans should pay particular attention to Peter Woods.

Kansas City used its first-round selection on the Clemson defensive lineman, taking him No. 29 overall.

At 6-foot-3 and 310 pounds, Woods gives Kansas City another powerful interior option.

Saturday offers the first opportunity to see how that strength translates against NFL offensive linemen.

R Mason Thomas is another young defender worth monitoring.

Kansas City needs additional pass-rush production, and preseason football gives young defensive linemen opportunities to attack reserve offensive tackles who may struggle with communication and technique.

That could become particularly important once Simpson enters.

The Rams want to see their rookie quarterback operate under pressure.

Kansas City’s young pass rushers want to provide exactly that pressure.

Los Angeles’ Offensive Line Evaluation

Keagen Trost is one of the Rams’ most interesting offensive players because of his versatility.

The rookie worked mostly with the second-team offense during training camp but also received opportunities at tackle with the first unit during Los Angeles’ joint practice with Dallas.

That flexibility could become extremely valuable.

NFL teams rarely carry enough offensive linemen to have a dedicated backup at every position.

Players who can handle guard and tackle dramatically increase their roster value.

Saturday will show whether Trost’s versatility translates under game conditions.

The challenge won’t be easy.

Kansas City’s defensive front should test Los Angeles’ young linemen with power and athleticism.

How effectively the Rams protect Bennett and Simpson could determine the entire game.

Players to Watch

Justin Fields, QB, Chiefs: Fields starts with Mahomes sitting. His mobility gives Kansas City the most explosive quarterback in the matchup and provides Chiefs fans their first look at how Reid plans to utilize him.

Garrett Nussmeier, QB, Chiefs: The seventh-round rookie needs preseason repetitions because opportunities behind Mahomes and Fields will be limited during the regular season.

Emmett Johnson, RB, Chiefs: Kansas City’s fifth-round rookie has an opportunity to earn a role in a competitive backfield while demonstrating value as a runner, receiver and special-teams player.

Peter Woods, DL, Chiefs: The first-round rookie provides size and athleticism in the middle of Kansas City’s defensive front and will receive his first NFL game test.

Andrew Armstrong, WR, Chiefs: Armstrong enters his first season in Kansas City and should have opportunities to compete for depth at receiver during the preseason.

Stetson Bennett IV, QB, Rams: Bennett will start and has an opportunity to build on the increased first-team work he received during training camp.

Ty Simpson, QB, Rams: Simpson makes his NFL preseason debut and gives Los Angeles a chance to evaluate how the rookie responds to a collapsing pocket and live pressure.

CJ Daniels, WR, Rams: Daniels has primarily worked with Los Angeles’ backup quarterbacks and is one of the young receivers McVay specifically wants to evaluate during preseason action.

Keagen Trost, OL, Rams: Trost’s ability to play multiple offensive-line positions could significantly improve his roster value.

Cam Lampkin, CB, Rams: Lampkin produced several impressive training-camp moments, including an interception and multiple pass breakups, and now has an opportunity to translate that production to a game.

Keys to the Game

Kansas City Chiefs

Kansas City’s first priority is allowing Fields to establish an early rhythm.

The Chiefs don’t need him to prove he can produce highlight-reel runs.

They need him to demonstrate command.

Take the easy completion.

Move the chains.

Avoid turnovers.

Use his legs when necessary.

Reid also needs a clean evaluation of Kansas City’s young skill-position players.

Johnson and Armstrong are among the players who could significantly improve their roster standing with productive performances.

Defensively, Kansas City needs its young front to pressure Bennett and Simpson without relying on complicated blitz packages.

Woods should be especially interesting.

If the Chiefs can collapse the pocket with four rushers, Los Angeles’ quarterbacks will be forced to process quickly.

Kansas City also needs clean special-teams execution.

This is the Chiefs’ 42nd annual Charity Game, and the matchup is being played at Arrowhead as Kansas City’s preseason opener.

Playing at home gives young Chiefs players a useful opportunity to experience the noise, substitutions and communication demands of an actual NFL game environment.

Los Angeles Rams

Los Angeles’ first priority is protecting Bennett and Simpson.

The entire quarterback evaluation becomes meaningless if the offensive line allows immediate pressure on every passing attempt.

Trost and the Rams’ reserve linemen need to communicate effectively.

The Rams also need Bennett to protect the football.

As the more experienced quarterback in Los Angeles’ preseason rotation, he should demonstrate better command and decision-making.

Once Simpson enters, expectations change.

The rookie needs to remain composed.

McVay wants to see how Simpson responds when the pocket breaks down.

Los Angeles should also create opportunities for Daniels and its young receivers.

Those players need targets if the Rams are going to make informed decisions about the bottom of the depth chart.

Defensively, the biggest challenge is containing Fields.

Kansas City’s quarterback can transform a perfect pass rush into a 20-yard gain.

Rams edge defenders must maintain discipline rather than simply chasing sacks.

Make Fields beat them from the pocket.

Betting Prediction

Kansas City being favored at home makes sense primarily because of Fields.

Most preseason games feature backup quarterbacks with limited starting experience.

Fields has already played extensively in meaningful NFL games.

That creates a substantial advantage during the portion of Saturday’s game he controls.

Los Angeles counters with Bennett, who knows McVay’s system and has received first-team camp repetitions.

That should keep the Rams competitive early.

The game becomes considerably less predictable once the quarterback rotations continue.

Simpson will be making his NFL debut.

Kansas City should eventually turn toward developmental players such as Nussmeier.

At that point, the game could be decided by turnovers and field position.

That is why laying a large preseason spread would be uncomfortable.

At Kansas City -2.5, however, the Chiefs only need to win by a field goal.

Arrowhead.

Fields’ experience.

Kansas City’s defensive-line depth.

Those elements provide enough reasons to prefer the Chiefs.

The total might offer an even better angle.

At 35.5, the margin isn’t enormous, but neither team is building Saturday’s game around its regular-season starting quarterback.

Kansas City will be without Mahomes.

Los Angeles is starting Bennett and giving Simpson important developmental work.

As substitutions accumulate, sustained offensive execution should become more difficult.

The Verdict

Prediction: Chiefs 20, Rams 13

Pick: Kansas City Chiefs -2.5

Total Pick: Under 35.5

Kansas City possesses the most experienced and dynamic quarterback in this preseason matchup.

It just isn’t Patrick Mahomes.

Fields should give the Chiefs an advantage early because of his ability to create offense both inside and outside the designed structure.

If Los Angeles generates pressure, Fields can escape.

If the Rams protect against his scrambling ability, passing windows could open.

That creates a difficult preseason assignment.

Bennett should keep Los Angeles competitive.

His increased first-team work during camp gives him a level of familiarity that should prevent the Rams’ offense from becoming completely disorganized.

The biggest uncertainty comes after Bennett leaves.

Simpson possesses intriguing potential, but Saturday represents his first live NFL game experience. McVay specifically wants to evaluate his response to pressure and collapsing pockets.

Kansas City’s young defensive front should provide that test.

Expect Fields to create one early scoring drive.

Expect Bennett to answer with enough efficient passing to keep Los Angeles close.

Then expect both offenses to slow as the game shifts toward developmental quarterbacks and deeper roster rotations.

Kansas City’s home field, Fields’ experience and a potentially disruptive group of young defensive linemen should eventually produce the difference.

Final Score Prediction: Kansas City Chiefs 20, Los Angeles Rams 13

Best Bet: Under 35.5

Against the Spread: Kansas City Chiefs -2.5

Top Player Prop: Justin Fields Over 24.5 Rushing Yards