Mariners vs Brewers Prediction, Odds & Player Prop Bets Today – MLB, Aug 18

Milwaukee Brewers' William Contreras hits a two-run home run during the second inning of a baseball game against the San Francisco Giants Sunday, May 28, 2023, in Milwaukee. (AP Photo/Morry Gash)
(AP Photo/Morry Gash)
Sportsbook Promos
  • The Brewers are -160 favorites vs the Mariners
  • Mariners vs Brewers Over / Under today: 7.5 Runs
  • Mariners / Brewers TV Channel: MRTV | BRTV

The Seattle Mariners (+135) visit American Family Field to take on the Milwaukee Brewers (-160) on August 18, 2026. First pitch is scheduled for 7:40 pm in Milwaukee, WI.

This season, the Mariners are 59-66 against the spread (ATS), while the Brewers are 65-60 ATS.

Mariners vs Brewers Starting Pitchers Today:

  • Mariners starting pitcher: Bryce Miller 4-6, 3.40 ERA
  • Brewers starting pitcher: Kyle Harrison 9-3, 3.50 ERA

Mariners vs. Brewers Odds, Run Line, Over/Under & Moneyline

SpreadOver / UnderMoneyline
Mariners+1.5 -170O 7.5 -105+135
Brewers -1.5 +140U 7.5 -115-160

Mariners vs Brewers Prediction for Today’s Game

Based on recent trends the model predicts the Brewers will win Tuesday‘s MLB game with 56.6% confidence, factoring in game simulations, recent player performances, starting pitchers and injuries.


Bet now on Mariners vs Brewers and all games with BetMGM


We’ve highlighted some favorite MLB player prop bets for Mariners players for Tuesday‘s game, looking at profitable historical betting trends:

Best Mariners Player Prop Bets Today:

  • Weston Wilson has hit the Home Runs Over in 3 of his last 10 away games (+16.50 Units / 165% ROI)
  • Cal Raleigh has hit the Runs Under in 21 of his last 25 games (+13.95 Units / 32% ROI)
  • Josh Naylor has hit the Hits Over in 21 of his last 25 away games (+13.90 Units / 27% ROI)
  • Cal Raleigh has hit the Hits Runs and RBIs Under in 20 of his last 25 away games (+13.65 Units / 40% ROI)
  • Josh Naylor has hit the Total Bases Over in 9 of his last 10 away games (+10.20 Units / 76% ROI)

And here are some favorite MLB player prop bets for Brewers players for Tuesday‘s game, looking at profitable historical betting trends:

Best Brewers Player Prop Best Bets Today:

  • Jackson Chourio has hit the Home Runs Over in 4 of his last 6 games at home (+15.50 Units / 258% ROI)
  • William Contreras has hit the Hits Under in 14 of his last 20 games at home (+14.45 Units / 53% ROI)
  • Jake Bauers has hit the Singles Over in 14 of his last 20 games (+14.30 Units / 71% ROI)
  • Jake Bauers has hit the Total Bases Over in 16 of his last 20 games (+11.95 Units / 45% ROI)
  • Jake Bauers has hit the Walks Over in 16 of his last 25 games (+11.60 Units / 46% ROI)
  • The Seattle Mariners have hit the Team Total Under in 31 of their last 50 games (+11.25 Units / 20% ROI)
  • The Seattle Mariners have hit the Game Total Over in 24 of their last 40 away games (+9.05 Units / 21% ROI)
  • The Seattle Mariners have hit the 1st Five Innings (F5) Team Total Under in 30 of their last 50 games (+7.90 Units / 13% ROI)
  • The Seattle Mariners have covered the 1st Five Innings (F5) Run Line in 5 of their last 6 games (+3.60 Units / 45% ROI)
  • The Seattle Mariners have hit the 1st Five Innings (F5) Moneyline in 3 of their last 5 games (+2.35 Units / 47% ROI)
  • The Milwaukee Brewers have covered the Run Line in 28 of their last 50 games at home (+12.65 Units / 22% ROI)
  • The Milwaukee Brewers have hit the Game Total Under in 28 of their last 45 games at home (+10.70 Units / 22% ROI)
  • The Milwaukee Brewers have hit the Moneyline in 34 of their last 50 games at home (+9.05 Units / 11% ROI)
  • The Milwaukee Brewers have hit the 1st Five Innings (F5) Team Total Over in 15 of their last 22 games (+8.35 Units / 32% ROI)
  • The Milwaukee Brewers have hit the Team Total Over in 30 of their last 50 games at home (+7.70 Units / 13% ROI)

Mariners Against the Spread (ATS) Record

Against the spread this season, the Mariners are 47-77 against the Run Line (-24.95 Units / -17.65% ROI).

  • 59-66 when betting on the Moneyline for -23.15 Units / -13.85% ROI
  • 61-57 when betting on the total runs Over for -1.5 Units / -1.09% ROI
  • 57-61 when betting on the total runs Under for -9.8 Units / -7.14% ROI

Brewers Against the Spread (ATS) Record

Against the spread this season, the Brewers are 65-60 against the Run Line (+13.75 Units / 9.55% ROI).

  • 77-48 when betting on the Moneyline for +11.1 Units / 6.06% ROI
  • 53-69 when betting on the total runs Over for -22.55 Units / -16.41% ROI
  • 69-53 when betting on the total runs Under for +10.95 Units / 7.95% ROI

Brewers vs Mariners Home Run Prop Bets Today

Yes
Jake Bauers +310
Julio Rodriguez +333
Randy Arozarena +340
Jackson Chourio +340
Cal Raleigh +380

Brewers vs Mariners Total Hits Prop Bets Today

Over Under
Jackson Chourio 0.5 -250 0.5 +165
William Contreras 0.5 -235 0.5 +155
Randy Arozarena 0.5 -235 0.5 +155
Brice Turang 0.5 -235 0.5 +160
Julio Rodriguez 0.5 -220 0.5 +150

Brewers vs Mariners Strikeout Prop Bets Today

Over Under
Dominic Canzone 0.5 -275 0.5 +180
Christian Yelich 0.5 -275 0.5 +180
David Hamilton 0.5 -190 0.5 +130
Cole Young 0.5 -155 0.5 +105
Andrew Vaughn 0.5 -155 0.5 +105

Mariners Keys to the Game vs. the Brewers

The Mariners are just 0-6 (.000) when trailing entering the 9th inning this season — tied for lowest in MLB.

The Mariners are just 0-6 (.000) when trailing entering the 9th inning since the 2025 season — tied for lowest in MLB.

The Mariners are just 0-6 (.000) when trailing entering the 9th inning since the 2024 season — tied for lowest in MLB.

The Mariners were 72-1 (.986) when leading entering the 9th inning in the 2024 season — tied for 2nd best in MLB; League Avg: .949.

Brewers Keys to the Game vs. the Mariners

The Brewers were 71-7 (.910) when they scored 5 or more runs in the 2025 season — 2nd best in MLB; League Avg: .797.

The Brewers were 74-4 (.949) when leading entering the 8th inning in the 2024 season — 3rd best in MLB; League Avg: .899.

The Brewers were 97-65 (.599) in the 2025 season — best in MLB; League Avg: .500.

The Brewers were 21-2 (.913) when they had 5 or more XBH in the 2025 season — 3rd best in MLB; League Avg: .799.

Mariners hitters are slugging just .479 on the first pitch of at-bats this season — lowest in MLB.

The Mariners are batting just .219 against LHP this season — tied for lowest in MLB.

Mariners hitters have 183 extra-base hits out of 614 total hits (just 30%) in non-two strike counts this season — lowest in MLB.

The Mariners are batting just .222 at home this season — 2nd lowest in MLB.

The Brewers are batting .388 on the first pitch of at-bats this season — best in MLB.

Brewers hitters have come to the plate with runners in scoring position in 1,430 of their 4,838 plate appearances (30%) this season — highest in MLB.

The Brewers have a winning percentage of 62% this season — best in MLB.

Brewers hitters have an OBP of .361 (537 PA’s) when facing the starting pitcher for the 3rd time in a game this season — 2nd best in MLB.

Mariners pitchers have a first-pitch strike rate of 66% this season — highest in MLB.

Mariners pitchers have thrown at least two strikes in their first three pitches to 69% of opposing batters this season — highest in MLB.

Mariners pitchers have walked 7% of batters this season — best in MLB.

Mariners pitchers have walked 6% of batters when facing the leadoff batter in the inning this season — best in MLB.

Brewers pitchers have a strikeout rate of 26% this season — best in MLB.

The Brewers have won 60% of home games in which their opponents scored first this season — highest in MLB.

Opponents have a groundball batting average of just .212 against Brewers pitchers with runners on base this season — 2nd best in MLB.

Brewers pitchers have a strikeout rate of 28% in the first 5 innings this season — best in MLB.

More MLB Reading:


Bet now on Mariners vs Brewers and all games with BetMGM


Bet on MLB Odds at BetMGM

Sportsbook promos are always available at BetMGM. For new customers, check out the sportsbook welcome offer and BetMGM Refer a Friend. For existing customers, there are Odds Boosts, Parlay Boosts, contests and more.

The content provided in this blog is intended for entertainment purposes only. All views and opinions expressed are the authors and reflect their individual perspectives on sports, betting, and related topics. This content should not be considered professional betting advice or the official views of BetMGM LLC. Please gamble responsibly. If you or someone you know is experiencing issues related to gambling, seek help from a licensed health professional. This blog is not liable for any losses, damages, or consequences resulting from betting activities.

About the Author Read More @BETMGM

Our BetMGM betting authors are experts who focus on individual game matchups & player prop bets with an emphasis on betting odds, lines & predictions.

Our BetMGM betting authors are experts who focus on individual game matchups & player prop bets with an emphasis on betting odds, lines & predictions.