Athletics vs Mariners Prediction, Odds & Player Prop Bets Today – MLB, Apr 20

Seattle Mariners' J.P. Crawford follows through during an at-bat a baseball game against the Texas Rangers, Saturday, Sept. 30, 2023, in Seattle. (AP Photo/Lindsey Wasson)
(AP Photo/Lindsey Wasson)
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  • The Mariners are -165 favorites vs the Athletics
  • Athletics vs Mariners Over / Under today: 8 Runs
  • Athletics / Mariners TV Channel: MRTV | NSCA

The Athletics (+135) visit T-Mobile Park to take on the Seattle Mariners (-165) on April 20, 2026. First pitch is scheduled for 9:40 pm in Seattle, WA.

This season, the Athletics are 11-11 against the spread (ATS), while the Mariners are 9-14 ATS.

Athletics vs Mariners Starting Pitchers Today:

  • Athletics starting pitcher: , ERA
  • Mariners starting pitcher: , ERA

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

Athletics vs Mariners Prediction for Today’s Game

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


Bet now on Athletics vs Mariners and all games with BetMGM


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

Best Athletics Player Prop Bets Today:

  • player high – away 

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

Best Mariners Player Prop Best Bets Today:

  • player  high – home
  • team high – away
  • team high – home

Athletics Against the Spread (ATS) Record

Against the spread this season, the Athletics are 12-10 against the Run Line (-1.45 Units / -4.69% ROI).

  • 11-11 when betting on the Moneyline for +1.65 Units / 6.82% ROI
  • 11-10 when betting on the total runs Over for +0 Units / 0% ROI
  • 10-11 when betting on the total runs Under for -2 Units / -8.3% ROI

Mariners Against the Spread (ATS) Record

Against the spread this season, the Mariners are 9-14 against the Run Line (-3.45 Units / -13.72% ROI).

  • 10-13 when betting on the Moneyline for -7.25 Units / -22.45% ROI
  • 10-13 when betting on the total runs Over for -4.2 Units / -16.63% ROI
  • 13-10 when betting on the total runs Under for +2.05 Units / 8.07% ROI

Mariners vs Athletics Home Run Prop Bets Today

Yes
Cal Raleigh +240
Shea Langeliers +325
Nick Kurtz +380
Julio Rodriguez +390
Josh Naylor +400

Mariners vs Athletics Total Hits Prop Bets Today

Over Under
Julio Rodriguez 0.5 -225 0.5 +165
Jacob Wilson 0.5 -225 0.5 +165
Josh Naylor 0.5 -220 0.5 +160
J.P. Crawford 0.5 -210 0.5 +150
Jeff McNeil 0.5 -200 0.5 +150

Mariners vs Athletics Strikeout Prop Bets Today

Over Under
Randy Arozarena 0.5 -275 0.5 +195
Julio Rodriguez 0.5 -275 0.5 +195
Shea Langeliers 0.5 -235 0.5 +175
Lawrence Butler 0.5 -225 0.5 +165
Leo Rivas 0.5 -220 0.5 +160

Athletics Keys to the Game vs. the Mariners

Mariners Keys to the Game vs. the Athletics

More MLB Reading:


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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.