Mariners vs Astros Prediction, Odds & Player Prop Bets Today – MLB, May 14

Houston Astros shortstop Jeremy Pena pops out during the first inning of a spring training baseball game against the New York Mets Thursday, Feb. 27, 2025, in Port St. Lucie, Fla.
(AP Photo/Jeff Roberson)
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  • The Mariners are -130 favorites vs the Astros
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The Seattle Mariners (-130) visit Daikin Park to take on the Houston Astros (+110) on May 14, 2026. First pitch is scheduled for 2:10 pm in Houston, TX.

This season, the Mariners are against the spread (ATS), while the Astros are ATS.

Mariners vs Astros Starting Pitchers Today:

  • Mariners starting pitcher: Luis Castillo 0-4, 6.70 ERA
  • Astros starting pitcher: Michael Burrows 2-4, 5.04 ERA

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

SpreadOver / UnderMoneyline
Mariners-1.5 +125O 9 -105-130
Astros +1.5 -155U 9 -115+110

Mariners vs Astros Prediction for Today’s Game

Based on recent trends the model predicts the Astros will win Thursday‘s MLB game with 53.4% 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 Thursday‘s game, looking at profitable historical betting trends:

Best Mariners Player Prop Bets Today:

  • J.P. Crawford has hit the Home Runs Over in 3 of his last 9 games (+18.00 Units / 200% ROI)
  • Josh Naylor has hit the Runs Under in 17 of his last 20 away games (+12.10 Units / 38% ROI)
  • Randy Arozarena has hit the Total Bases Over in 12 of his last 15 away games (+11.45 Units / 62% ROI)
  • Cal Raleigh has hit the Hits Under in 9 of his last 10 games (+11.00 Units / 110% ROI)
  • Randy Arozarena has hit the Singles Over in 17 of his last 25 away games (+10.50 Units / 40% ROI)

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

Best Astros Player Prop Best Bets Today:

  • Braden Shewmake has hit the Home Runs Over in 2 of his last 6 games (+15.00 Units / 250% ROI)
  • Yordan Alvarez has hit the Runs Under in 15 of his last 20 games (+9.85 Units / 44% ROI)
  • Yordan Alvarez has hit the RBIs Under in 13 of his last 15 games (+9.80 Units / 36% ROI)
  • Christian Vazquez has hit the Hits Runs and RBIs Under in his last 8 games at home (+9.00 Units / 84% ROI)
  • Christian Walker has hit the Total Bases Over in 13 of his last 20 games at home (+7.85 Units / 33% ROI)
  • The Seattle Mariners have hit the Team Total Under in 16 of their last 23 away games (+7.70 Units / 29% ROI)
  • The Seattle Mariners have hit the 1st Five Innings (F5) Team Total Under in 14 of their last 20 games (+7.05 Units / 28% ROI)
  • The Seattle Mariners have hit the Game Total Under in 14 of their last 22 away games (+6.50 Units / 27% ROI)
  • The Seattle Mariners have covered the 1st Five Innings (F5) Run Line in 6 of their last 7 games (+5.05 Units / 66% ROI)
  • The Seattle Mariners have hit the 1st Five Innings (F5) Moneyline in 6 of their last 7 games (+4.80 Units / 45% ROI)
  • The Houston Astros have hit the Game Total Over in 21 of their last 30 games at home (+10.70 Units / 32% ROI)
  • The Houston Astros have hit the Team Total Under in 12 of their last 15 games (+7.90 Units / 41% ROI)
  • The Houston Astros have hit the 1st Five Innings (F5) Team Total Over in 29 of their last 50 games (+7.15 Units / 13% ROI)
  • The Houston Astros have hit the Moneyline in 6 of their last 13 games (+0.90 Units / 7% ROI)

Mariners Against the Spread (ATS) Record

Against the spread this season, the Mariners are against the Run Line ( Units / ROI).

  • away moneyline record when betting on the Moneyline for ML units Units / ML ROI ROI
  • away total over record when betting on the total runs Over for over units Units / over ROI ROI
  • away total under record when betting on the total runs Under for under units Units / under ROI ROI

Astros Against the Spread (ATS) Record

Against the spread this season, the Astros are against the Run Line ( Units / ROI).

  • home moneyline record when betting on the Moneyline for ML units Units / ML ROI ROI
  • home total over record when betting on the total runs Over for over units Units / over ROI ROI
  • home total under record when betting on the total runs Under for under units Units / under ROI ROI

Astros vs Mariners Home Run Prop Bets Today

Yes
Cal Raleigh +210
Yordan Alvarez +230
Julio Rodriguez +300
Zach Cole +325
Christian Walker +340

Astros vs Mariners Total Hits Prop Bets Today

Over Under
Josh Naylor 0.5 -235 0.5 +175
Jose Altuve 0.5 -210 0.5 +155
Christian Walker 0.5 -190 0.5 +140
Isaac Paredes 0.5 -185 0.5 +135
Cal Raleigh 0.5 -175 0.5 +130

Astros vs Mariners Strikeout Prop Bets Today

Over Under
Christian Walker 0.5 -250 0.5 +180
Jose Altuve 0.5 -165 0.5 +125
Cole Young 0.5 -165 0.5 +125
Dominic Canzone 0.5 -160 0.5 +120
J.P. Crawford 0.5 -150 0.5 +110

Mariners Keys to the Game vs. the Astros

The Mariners are just 15-3 (.833) when leading entering the 8th inning this season — tied for 5th lowest in MLB; League Avg: .895.

The Mariners are 9-4 (.692) vs top 10 scoring offenses this season Today, they face the Astros (10th in runs scored).

The Mariners are 6-79 (.071) when trailing entering the 9th inning since the 2025 season — 3rd best in MLB; League Avg: .045.

The Mariners are 10-71 (.123) when trailing entering the 8th inning since the 2025 season — 5th best in MLB; League Avg: .093.

Astros Keys to the Game vs. the Mariners

The Astros are just 1-16 (.059) when allowing 10 or more hits this season — lowest in MLB; League Avg: .246.

The Astros are just 0-23 (.000) when trailing entering the 7th inning this season — tied for lowest in MLB; League Avg: .137.

The Astros are just 0-25 (.000) when trailing entering the 8th inning this season — tied for lowest in MLB; League Avg: .105.

The Astros are just 0-24 (.000) when trailing entering the 9th inning this season — tied for lowest in MLB; League Avg: .050.

Mariners hitters have an OPS of just .610 (488 PA’s) against LHP this season — 3rd lowest in MLB.

Mariners hitters have an OBP of just .282 (488 PA’s) against LHP this season — tied for 2nd lowest in MLB.

Mariners hitters are slugging just .328 against LHP this season — 4th lowest in MLB.

The Mariners are batting just .199 against LHP this season — 3rd lowest in MLB.

The Astros are batting .278 on the road this season — 2nd best in MLB.

Astros hitters have an OBP of .413 (189 PA’s) when facing the starting pitcher for the 3rd time in a game this season — best in MLB.

The Astros are batting .339 when facing the starting pitcher for the 3rd time in a game this season — best in MLB.

Astros hitters have an OPS of .784 (870 PA’s) on the road this season — 3rd best in MLB.

Mariners pitchers have thrown at least two strikes in their first three pitches to 71% of opposing batters this season — highest in MLB.

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

Mariners pitchers have a first-pitch strike rate of 67% this season — highest in MLB.

Opponents have a swing rate of 51% against the Mariners pitchers this season — highest in MLB.

Astros pitchers have walked 13% of batters this season — highest in MLB.

Astros pitchers have an ERA of 6.77 (122.1 IP) against division opponents this season — 2nd highest in MLB.

Astros pitchers have allowed an OBP of .367 (1,735 PA’s) this season — highest in MLB.

Astros pitchers have an ERA of 5.54 (385.1 IP) this season — highest in MLB.

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.