MLB Milwaukee Brewers vs Seattle Mariners: Odds, Tips and Predictions 07-20-25

Here’s the game info and betting insight you’re looking for tonight’s game.

Milwaukee Brewers vs Seattle Mariners

• Run Line: Mariners -1.5
• Moneyline Brewers +110
• Moneyline Mariners -120
• Over/Under 7

These odds were updated at 9 am EST on 07/20/25, coming from DraftKings. Check out the top online MLB betting sites the only way to be great at sports betting is to have multiple accounts with at least three sportsbooks to get the best odds for every game.

🎙️ Game Context & Pitching Matchup

• Seattle Mariners (53‑46) vs Milwaukee Brewers (59‑40)

• First pitch tonight at 9:40 PM ET at T‑Mobile Park

• Run line: Seattle –1.5 (+175 to +191); Brewers +1.5 (–196 to –222)

• Total (O/U): ~7 runs; over/under around –110

Probabilities:

• Mariners ~54–56% to win per models

• Brewers ~46–50%, making them a value underdog in many eyes

📊 Betting Trends & Insights

Seattle Mariners:

• Favored ~62 games this season, winning ~56%

• Record as moneyline favorite (–120 or shorter): 27–18 (~60%)

• Run line ATS (–1.5): mixed, ~3–6 in Kirby starts

• Over has hit in 4 of last 5 and in ~49% of home games

Milwaukee Brewers:

• As underdogs, 26–24 (~52%) moneyline record

• ATS strong: covered 55.7% of games

• Welcomed value: +110 to +115 ML looks underpriced given 50% implied win chances

🔍 Starting Pitchers

• Mariners: George Kirby (4‑4, 4.50 ERA). At home: ~3.62 ERA; vs NL: around 5.51 ERA

• Brewers: Brandon Woodruff (1‑0, 2.61 ERA). Two prior starts: 1–1 record, and Brewers won as underdog once

Edge: Woodruff has quietly solid numbers; Kirby is reliable but susceptible to NL bats.

Milwaukee Brewers vs Seattle Mariners Money Line

Milwaukee +110 to +115 — undervalued given their ~50% win rate as dogs, plus strong recent form.

DraftKings

4.6/5

Tip: Bet Brewers ML

• Brewers are red-hot
• Mariners playing well
• Mariners at home

New Customers: Bet $5+ and get $300 in Bonus Bets if it wins!

Open DraftKings

The best Baseball betting sites

To satisfy the ever-growing market of Baseball bettors, the best Soccer sportsbooks offer unique user experiences, huge payouts, and fantastic bonuses. Gamers no longer have to go to casinos to find some physical action. Online bookies let you play the game of risk from the comfort of your own home. We hope our guide can point you in the right direction so you can find the best gambling experiences on the internet.

Best Brand

DraftKings Promo

New Customers: Bet $5+ and get $300 in Bonus Bets if it wins!

Join now!

21+ and present in most states. (18+ DC/KY/NH/WY). Void in ONT/OR/NH. Eligibility restrictions apply. On behalf of Boot Hill Casino & Resort (KS). Pass-thru of per wager tax may apply in IL. 1 per new customer. Must register new account to receive reward Token. Must select Token BEFORE placing min. $5 bet to receive $300 in Bonus Bets if your bet wins. Min. -500 odds req. Token and Bonus Bets are single-use and non-withdrawable. Token expires 2/1/26. Bonus Bets expire in 7 days (168 hours). Stake removed from payout. Terms: sportsbook.draftkings.com/promos. Ends 1/25/26 at 11:59 PM ET. Sponsored by DK.

Best Slots

FanDuel Promo

Bet $5 Get $300 in Bonus Bets If Your Bet Wins!

Bonus here!

Gambling Problem? Call 1-800-GAMBLER or visit RG-help.com. Call 1-888-789-7777 or visit ccpg.org/chat (CT). Hope is here. GamblingHelpLineMA.org or call (800) 327-5050 for 24/7 support (MA). Visit www.mdgamblinghelp.org (MD). Call 1-877-HOPE-NY or text HOPENY (467369) (NY). 21+ (18+ DC, KY and present in select states for KS in affiliation with Kansas Star Casino). First online real money wager only. $5 first deposit required. Bonus issued as nonwithdrawable bonus bets which expire 7 days after receipt. Restrictions apply. See terms at sportsbook.fanduel.com.

Newcomer

BetMGM Promo

Up To $1500 in Bonus Bets Paid Back if your First Bet Does Not Win

Join now!

Gambling problem? Call 1-800-GAMBLER (Available in the US) Call 877-8-HOPENY or text HOPENY (467369) (NY) Call 1-800-327-5050 (MA) 21+ only. Please Gamble Responsibly. Call 1-800-NEXT-STEP (AZ), 1-800-BETS-OFF (IA), 1-800-981-0023 (PR). Rewards are non-withdrawable bonus bets that expire in 7 days. In partnership with Kansas Crossing Casino and Hotel. See BetMGM.com for Terms. US promotional offers not available in DC, Mississippi, New York, Nevada, Ontario, or Puerto Rico.

Award

Bet365 Promo

Bet $5 & Get $200 in Bonus Bets Win or Lose

Join now!

Whatever the moment. It’s Never Ordinary at bet365. That’s why if you sign up now you will receive $200 in Bonus Bets Win or Lose when you bet $5! Minimum $10 deposit required. Minimum odds -500 of greater. Bonus Bets wager excluded from returns. New customers only. T&CS, time limits and exclusions apply. GAMBLING PROBLEM? CALL OR TEXT 1-800-GAMBLER (AZ/CO/IL/IN/KS/KY/LA/MD/NC/NJ/OH/PA/TN/VA) or 1-800-BETS OFF (IA). 21+ (18+ KY). Must be present in AZ/CO/IA/IL/IN/KS/KY/LA (select parishes)/MD/NC/NJ/OH/PA/TN/VA.

Milwaukee Brewers vs Seattle Mariners Over/Under Analysis 7

Over 7 — with both offenses hot and pitching staff patterning to moderate ERAs, extra innings likely

DraftKings

4.6/5

Tip: Bet the Over 7

• Even pitching matchup
• Both teams hitting well
• Bullpen will be key

New Customers: Bet $5+ and get $300 in Bonus Bets if it wins!

Open DraftKings

This one shapes up as a tight coin-flip in terms of pure win probabilities, but Brewers offer significant value on the moneyline and run line, thanks to a red-hot offense and strong ATS history. The pitching matchup slightly favors Milwaukee, and if you’re leaning into the offensive fireworks, the Over 7 appears well-supported.

Bet Milwaukee Brewers ML