Mariners vs Astros Prediction, Odds & Player Prop Bets Today – MLB, May 4

min read
Houston Astros Alex Bregman (2) and Houston Astros Yuli Gurriel celebrate after Game 2 of baseball's American League Championship Series between the Houston Astros and the New York Yankees, Thursday, Oct. 20, 2022, in Houston. The Houston Astros won 3-2.
(AP Photo/Eric Gay)
BetMGM Betting @BETMGM May 04, 2024, 11:00 AM
  • The Astros are -145 favorites vs the Mariners
  • Mariners vs Astros Over / Under today: 7.5 Runs
  • Mariners / Astros TV Channel: FOX

The Seattle Mariners (+120) visit Minute Maid Park to take on the Houston Astros (-145) on Saturday, May 4, 2024. First pitch is scheduled for 7:15pm EDT in Houston, TX.

This season, the Mariners are 17-15 against the spread (ATS), while the Astros are 12-20 ATS.

Mariners vs Astros Starting Pitchers Today:

  • Mariners starting pitcher: Logan Gilbert 2-0, 2.04 ERA
  • Astros starting pitcher: Framber Valdez 1-0, 2.65 ERA

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

SpreadOver / UnderMoneyline
Mariners+1.5 -175O 7.5 -115+120
Astros -1.5 +145U 7.5 -105-145

Mariners vs Astros Prediction for Today’s Game

Based on recent trends the model predicts the Astros will win Saturday‘s MLB game with 53.3% confidence, factoring in game simulations, recent player performances, starting pitchers and injuries.


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

Best Mariners Player Prop Bets Today:

  • Cal Raleigh has hit the Home Runs Over in 5 of his last 9 away games (+12.20 Units / 136% ROI)
  • Luis Urias has hit the Singles Under in his last 12 games (+12.00 Units / 44% ROI)
  • Jorge Polanco has hit the Runs Under in 23 of his last 31 games (+11.25 Units / 23% ROI)
  • Jorge Polanco has hit the Hits Runs and RBIs Under in 22 of his last 31 games (+10.60 Units / 26% ROI)
  • Mitch Garver has hit the Total Bases Under in his last 9 away games (+10.35 Units / 96% ROI)

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

Best Astros Player Prop Best Bets Today:

  • Yordan Alvarez has hit the Hits Under in 20 of his last 31 games (+18.65 Units / 45% ROI)
  • Jose Altuve has hit the Home Runs Over in 4 of his last 14 games at home (+12.80 Units / 91% ROI)
  • Yordan Alvarez has hit the RBIs Under in 15 of his last 17 games at home (+11.20 Units / 38% ROI)
  • Yordan Alvarez has hit the Hits Runs and RBIs Under in 21 of his last 31 games (+10.25 Units / 28% ROI)
  • Jose Altuve has hit the Singles Over in 18 of his last 25 games (+8.65 Units / 27% ROI)
  • The Seattle Mariners have hit the 1st Five Innings (F5) Moneyline in 24 of their last 40 away games (+12.89 Units / 24% ROI)
  • The Seattle Mariners have covered the 1st Five Innings (F5) Run Line in 28 of their last 42 away games (+12.17 Units / 25% ROI)
  • The Seattle Mariners have hit the Game Total Over in 18 of their last 26 away games (+10.55 Units / 37% ROI)
  • The Seattle Mariners have hit the Moneyline in 27 of their last 43 away games (+9.35 Units / 16% ROI)
  • The Seattle Mariners have hit the 1st Five Innings (F5) Team Total Over in 25 of their last 40 away games (+8.69 Units / 19% ROI)
  • The Houston Astros have hit the Game Total Over in 37 of their last 61 games (+15.00 Units / 22% ROI)
  • The Houston Astros have hit the Team Total Under in 32 of their last 53 games at home (+7.75 Units / 12% ROI)
  • The Houston Astros have hit the 1st Five Innings (F5) Team Total Over in 66 of their last 118 games (+7.21 Units / 5% ROI)
  • The Houston Astros have covered the 1st Five Innings (F5) Run Line in 10 of their last 15 games (+5.21 Units / 31% ROI)
  • The Houston Astros have covered the Run Line in 52 of their last 100 games (+4.60 Units / 4% ROI)

Mariners Against the Spread (ATS) Record

Against the spread this season, the Mariners are 15-17 against the Run Line (-3.85 Units / -9.03% ROI).

  • 17-15 when betting on the Moneyline for -1.55 Units / -4.04% ROI
  • 6-24 when betting on the total runs Over for -20.25 Units / -59.65% ROI
  • 24-6 when betting on the total runs Under for +17.3 Units / 50.36% ROI

Astros Against the Spread (ATS) Record

Against the spread this season, the Astros are 12-20 against the Run Line (-6.4 Units / -17.49% ROI).

  • 12-20 when betting on the Moneyline for -14.05 Units / -31.97% ROI
  • 10-20 when betting on the total runs Over for -11.55 Units / -33.29% ROI
  • 20-10 when betting on the total runs Under for +8.95 Units / 25.04% ROI

Astros vs Mariners Home Run Prop Bets Today

Over Under
Yordan Alvarez (HOU) 0.5 +275 0.5 -350
Kyle Tucker (HOU) 0.5 +450 0.5 -650
Cal Raleigh (SEA) 0.5 +450 0.5 -650
Mitch Garver (SEA) 0.5 +475 0.5 -650
Yainer Diaz (HOU) 0.5 +500 0.5 -700

Astros vs Mariners Total Hits Prop Bets Today

Over Under
Yainer Diaz (HOU) 0.5 -250 0.5 +190
Jose Altuve (HOU) 0.5 -250 0.5 +195
Jeremy Pena (HOU) 0.5 -250 0.5 +180
Julio Rodriguez (SEA) 0.5 -250 0.5 +190
Alex Bregman (HOU) 0.5 -225 0.5 +170

Astros vs Mariners RBI Prop Bets Today

Over Under
Yordan Alvarez (HOU) 0.5 +130 0.5 -165
Alex Bregman (HOU) 0.5 +160 0.5 -210
Mitch Garver (SEA) 0.5 +170 0.5 -225
Yainer Diaz (HOU) 0.5 +170 0.5 -225
Julio Rodriguez (SEA) 0.5 +180 0.5 -250

Astros vs Mariners Strikeout Prop Bets Today

Over Under

Logan Gilbert has struck out 39% (28/72) of left-handed batters he faced this season — 2nd best among qualified SPs in MLB; League Avg: 23% — 98th Percentile.

Opponents have a two strike miss rate of 38% (34/90) against Logan Gilbert this season — 2nd best among qualified SPs in MLB; League Avg: 25% — 98th Percentile.

Logan Gilbert has allowed an OBP of just .213 (150 PA’s) this season — 5th best among qualified SPs in MLB; League Avg: .296 — 95th Percentile.

Opponents are hitting just .067 (1-for-15) against Logan Gilbert on low fastballs this season — 3rd best among qualified SPs in MLB; League Avg: .262 — 95th Percentile.

Astros Starting Pitcher Stats & Trends

Framber Valdez has thrown inside pitches 47% of the time (784/1,655) with two-strikes since the 2022 season — highest among qualified SPs in MLB; League Avg: 31% — 100th Percentile.

Opponents have a groundball rate of 62% (493/795) against Framber Valdez in non-two strike counts since the 2022 season — highest in MLB among starting pitchers with at least 141 total IP; League Avg: 42% — 100th Percentile.

Opponents have a groundball rate of 66% (29/44) against Framber Valdez this season — 3rd highest in MLB among starting pitchers with at least 12 total IP; League Avg: 43% — 98th Percentile.

Framber Valdez has thrown inside pitches 47% of the time (390/830) with two-strikes since last season — 2nd highest in MLB among starting pitchers with at least 76 total IP; League Avg: 30% — 99th Percentile.

Mariners Keys to the Game vs. the Astros

The Mariners are 88-14 (.863) when they’ve had 10 or more hits since the 2022 season — best in MLB; League Avg: .732.

The Mariners are 48-8 (.857) when they’ve had 10 or more hits since the 2023 season — best in MLB; League Avg: .735.

The Mariners are 153-6 (.962) when leading entering the 8th inning since the 2022 season — best in MLB; League Avg: .906.

The Mariners are 85-5 (.944) when leading entering the 8th inning since the 2023 season — 2nd best in MLB; League Avg: .898.

Astros Keys to the Game vs. the Mariners

The Astros are 99-25 (.798) when they’ve hit 2 or more home runs since the 2022 season — 2nd best in MLB; League Avg: .697.

The Astros are 148-21 (.876) when scoring 5 or more runs since the 2022 season — best in MLB; League Avg: .794.

The Astros are just 19-75 (.202) when scoring 4 or fewer runs since the 2023 season — 5th lowest in MLB; League Avg: .268.

The Astros are 43-27 (.614) after a road loss since the 2022 season — 2nd best in MLB; League Avg: .461.

The Mariners are batting just .124 on pitches out of the zone since last season — 2nd lowest in MLB; League Avg: .152.

Mariners hitters have 253 strikeouts in 865 PA’s (29%) against RHP this season — highest in MLB; League Avg: 23%.

The Mariners are batting just .124 on pitches out of the zone since the 2022 season — 2nd lowest in MLB; League Avg: .154.

Mariners hitters have an OPS of just .408 (670 PA’s) with two-strikes this season — 2nd lowest in MLB; League Avg: .496.

Astros hitters have just 709 strikeouts in 4,024 PA’s (18%) against LHP since the 2022 season — best in MLB; League Avg: 22%.

Astros hitters are slugging .546 in lefty-lefty matchups since last season — best in MLB; League Avg: .372.

Astros hitters have just 61 strikeouts in 373 PA’s (16%) against LHP this season — best in MLB; League Avg: 22%.

Astros hitters have just 388 strikeouts in 2,174 PA’s (18%) against LHP since last season — best in MLB; League Avg: 22%.

Mariners pitchers have walked 947 of 13,136 batters (7%) since the 2022 season — 3rd best in MLB; League Avg: 8%.

Mariners pitchers have allowed an OBP of just .224 (286 PA’s) when facing the leadoff batter in the inning this season — best in MLB; League Avg: .306.

Mariners pitchers have walked 13 of 286 batters (4%) when facing the leadoff batter in the inning this season — best in MLB; League Avg: 8%.

Mariners pitchers have walked 110 of 1,741 batters (6%) when facing the leadoff batter in the inning since last season — 2nd best in MLB; League Avg: 8%.

Opponents have a miss rate of 28% against Astros pitchers since the 2022 season — 2nd best in MLB; League Avg: 26%.

Astros pitchers have walked 134 of 1,241 batters (11%) this season — 2nd highest in MLB; League Avg: 9%.

Opponents have a miss rate of 27% against Astros pitchers this season — 4th best in MLB; League Avg: 25%.

Astros pitchers have a strike rate of just 61% this season — lowest in MLB; League Avg: 64%.

Astros vs. Mariners Injuries Tonight That May Affect Prop Bets 

  • Grae Kessinger (Houston Astros): Hamstring, Day-To-Day
  • Justin Verlander (Houston Astros): Shoulder, 15-Day IL
  • Penn Murfee (Houston Astros): Elbow, 15-Day IL
  • Kendall Graveman (Houston Astros): Shoulder, 60-Day IL
  • Jose Abreu (Houston Astros): Hand, Day-To-Day
  • Jose Urquidy (Houston Astros): Forearm, 15-Day IL
  • Oliver Ortega (Houston Astros): Elbow, 15-Day IL
  • Lance McCullers (Houston Astros): Forearm, 60-Day IL
  • Bennett Sousa (Houston Astros): Shoulder, 15-Day IL
  • Forrest Whitley (Houston Astros): Finger, 7-Day IL
  • Shawn Dubin (Houston Astros): Forearm, 15-Day IL
  • Jackson Kowar (Seattle Mariners): Elbow, 60-Day IL
  • Mitch Garver (Seattle Mariners): Back, Day-To-Day
  • Sam Haggerty (Seattle Mariners): Undisclosed, 10-Day IL
  • Gregory Santos (Seattle Mariners): Lat, 15-Day IL
  • Eduard Bazardo (Seattle Mariners): Shoulder, 15-Day IL
  • Bryan Woo (Seattle Mariners): Elbow, 15-Day IL
  • Matt Brash (Seattle Mariners): Elbow, 15-Day IL

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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.