- The Mariners are -135 favorites vs the Astros
- Astros vs Mariners Over / Under today: 7.5 Runs
- Astros / Mariners TV Channel: SCHN | RTNW
The Houston Astros (+115) visit T-Mobile Park to take on the Seattle Mariners (-135) on Friday, July 18, 2025. First pitch is scheduled for 10:10pm EDT in Seattle, WA.
This season, the Astros are 56-40 against the spread (ATS), while the Mariners are 41-53 ATS.
Astros vs Mariners Starting Pitchers Today:
- Astros starting pitcher: Brandon Walter 1-2, 3.99 ERA
- Mariners starting pitcher: Logan Evans 3-3, 3.78 ERA
Astros vs. Mariners Odds, Run Line, Over/Under & Moneyline
| Spread | Over / Under | Moneyline | |
| Astros | +1.5 -190 | O 7.5 -110 | +115 |
| Mariners | -1.5 +154 | U 7.5 -110 | -135 |
Astros vs Mariners Prediction for Today’s Game
Based on recent trends the model predicts the Astros will win Friday‘s MLB game with 51.1% 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 Astros players for Friday‘s game, looking at profitable historical betting trends:
Best Astros Player Prop Bets Today:
- Victor Caratini has hit the Home Runs Over in 4 of his last 10 games (+18.90 Units / 189% ROI)
- Christian Walker has hit the Singles Over in 15 of his last 20 away games (+11.80 Units / 57% ROI)
- Jose Altuve has hit the Hits Under in 15 of his last 25 away games (+9.90 Units / 29% ROI)
- Christian Walker has hit the RBIs Over in 7 of his last 8 away games (+9.45 Units / 115% ROI)
- Mauricio Dubon has hit the Runs Over in 7 of his last 10 away games (+8.50 Units / 85% ROI)
And here are some favorite MLB player prop bets for Mariners players for Friday‘s game, looking at profitable historical betting trends:
Best Mariners Player Prop Best Bets Today:
- Randy Arozarena has hit the Home Runs Over in 5 of his last 7 games at home (+22.10 Units / 316% ROI)
- Randy Arozarena has hit the Runs Over in 17 of his last 25 games (+11.70 Units / 45% ROI)
- J.P. Crawford has hit the Hits Over in 14 of his last 15 games (+11.55 Units / 37% ROI)
- Randy Arozarena has hit the Hits Runs and RBIs Over in 18 of his last 25 games (+10.90 Units / 36% ROI)
- J.P. Crawford has hit the Total Bases Over in 9 of his last 10 games (+10.00 Units / 68% ROI)
Astros Best Bets Today:
- The Houston Astros have hit the Team Total Under in 58 of their last 96 games (+16.55 Units / 15% ROI)
- The Houston Astros have hit the 1st Five Innings (F5) Team Total Under in 28 of their last 41 away games (+14.55 Units / 30% ROI)
- The Houston Astros have hit the Moneyline in 39 of their last 61 games (+13.75 Units / 17% ROI)
- The Houston Astros have hit the Game Total Under in 36 of their last 63 games (+7.75 Units / 11% ROI)
- The Houston Astros have covered the Run Line in 46 of their last 88 games (+6.07 Units / 6% ROI)
Mariners Best Bets Today:
- The Seattle Mariners have hit the Game Total Over in 50 of their last 84 games (+14.85 Units / 16% ROI)
- The Seattle Mariners have hit the Team Total Under in 18 of their last 28 games at home (+7.60 Units / 24% ROI)
- The Seattle Mariners have hit the Moneyline in 18 of their last 29 games (+6.80 Units / 19% ROI)
- The Seattle Mariners have hit the 1st Five Innings (F5) Moneyline in 5 of their last 10 games (+4.20 Units / 33% ROI)
- The Seattle Mariners have hit the 1st Five Innings (F5) Team Total Under in 11 of their last 18 games (+3.65 Units / 17% ROI)
Astros Against the Spread (ATS) Record
Against the spread this season, the Astros are 48-48 against the Run Line (+1.42 Units / 1.19% ROI).
- 56-40 when betting on the Moneyline for +7.75 Units / 6.07% ROI
- 41-52 when betting on the total runs Over for -15.55 Units / -14.82% ROI
- 52-41 when betting on the total runs Under for +7 Units / 6.58% ROI
Mariners Against the Spread (ATS) Record
Against the spread this season, the Mariners are 41-53 against the Run Line (-13.2 Units / -11.24% ROI).
- 51-45 when betting on the Moneyline for -3.3 Units / -2.63% ROI
- 53-39 when betting on the total runs Over for +10.15 Units / 9.64% ROI
- 39-53 when betting on the total runs Under for -19.37 Units / -18.28% ROI
Mariners vs Astros Home Run Prop Bets Today
| Over | Under | |
|---|---|---|
| Cal Raleigh (SEA) | 0.5 +275 | 0.5 -350 |
| Christian Walker (HOU) | 0.5 +450 | 0.5 -650 |
| Randy Arozarena (SEA) | 0.5 +475 | 0.5 -650 |
| Isaac Paredes (HOU) | 0.5 +500 | 0.5 -700 |
| Julio Rodriguez (SEA) | 0.5 +500 | 0.5 -700 |
Mariners vs Astros Total Hits Prop Bets Today
| Over | Under | |
|---|---|---|
| Jose Altuve (HOU) | 0.5 -235 | 0.5 +175 |
| Yainer Diaz (HOU) | 0.5 -225 | 0.5 +170 |
| Cam Smith (HOU) | 0.5 -210 | 0.5 +155 |
| J.P. Crawford (SEA) | 0.5 -190 | 0.5 +145 |
| Cal Raleigh (SEA) | 0.5 -190 | 0.5 +140 |
Mariners vs Astros RBI Prop Bets Today
| Over | Under | |
|---|---|---|
| Cal Raleigh (SEA) | 0.5 +135 | 0.5 -185 |
| Christian Walker (HOU) | 0.5 +180 | 0.5 -250 |
| Randy Arozarena (SEA) | 0.5 +190 | 0.5 -250 |
| Julio Rodriguez (SEA) | 0.5 +190 | 0.5 -250 |
| Mitch Garver (SEA) | 0.5 +220 | 0.5 -300 |
Mariners vs Astros Strikeout Prop Bets Today
| Over | Under | |
|---|---|---|
| Brandon Walter (HOU) | 4.5 -145 | 4.5 +110 |
| Luis Castillo (SEA) | 5.5 -145 | 5.5 +110 |
Astros Starting Pitcher Stats & Trends
Brandon Walter has walked 1% of batters this season — best in MLB among starting pitchers with at least 38 total IP; League Avg: 8% — 100th Percentile.
Brandon Walter has allowed at least one HR in each of his last six games dating back to June 8th — this is the longest active streak among active MLB players.
Brandon Walter has not walked a batter in his last 18.1 innings pitched — Tyler Holton has the longest active streak at 22.2.
Opponents have a chase percentage of 34% (101/299) against Brandon Walter this season — tied for 4th highest in MLB among starting pitchers with at least 38 total IP; League Avg: 28% — 98th Percentile.
Mariners Starting Pitcher Stats & Trends
Opponents have a line drive rate of 39% (22/56) against Logan Evans’ breaking pitches this season — highest in MLB among starting pitchers with at least 38 total IP; League Avg: 24% — 0 Percentile.
Logan Evans has allowed an OPS of 1.191 (22 PA’s) with two-strikes this month (2 games) — highest in MLB among starting pitchers with at least 4 total IP; League Avg: .503 — 0 Percentile.
Logan Evans has allowed an OBP of .455 (22 PA’s) with two-strikes this month (2 games) — tied for 2nd highest in MLB among starting pitchers with at least 4 total IP; League Avg: .236 — second Percentile.
Logan Evans has thrown 56% of his pitches in the strike zone (227/403) vs left-handed batters this season — 7th best in MLB among starting pitchers with at least 38 total IP; League Avg: 51% — 95th Percentile.
Astros Keys to the Game vs. the Mariners
The Astros are 28-11 (.718) after a loss this season — 2nd best in MLB; League Avg: .495.
The Astros are 18-11 (.621) vs top 10 scoring offenses this season They play the Mariners (Ranks eighth runs scored) today.
The Astros are 56-40 (.583) this season — tied for 4th best in MLB; League Avg: .500.
The Astros are 8-3 (.727) when tied entering the 7th inning this season — 4th best in MLB; League Avg: .500.
Mariners Keys to the Game vs. the Astros
The Mariners are 18-11 (.621) vs the top 10 runs allowed teams this season They play the Astros (Ranks third runs allowed) today.
The Mariners are 4-37 (.098) when trailing entering the 9th inning this season — 2nd best in MLB; League Avg: .045.
The Mariners are 32-4 (.889) when they’ve had 5 or more XBH since last season — 5th best in MLB; League Avg: .804.
The Mariners are 45-41 (.523) vs the top 10 runs allowed teams since last season They play the Astros (Ranks third runs allowed) today.
Astros Hitting Stats & Trends
Astros hitters have put just 29% of balls in play to the right side of the field this season — lowest in MLB; League Avg: 37%.
Astros hitters have put 47% of balls in play to the left side of the field this season — highest in MLB; League Avg: 38%.
Astros hitters averaged just 3.65 pitches per plate appearance against RHP in the 2024 season — lowest in MLB; League Avg: 3.89.
Astros hitters are slugging .464 against LHP this season — best in MLB; League Avg: .384.
Mariners Hitting Stats & Trends
Mariners hitters have an OBP of .346 (2,071 PA’s) on the road this season — best in MLB; League Avg: .310.
Mariners hitters have an OPS of 1.140 (137 PA’s) over the past seven days (3 games) — best in MLB; League Avg: .716.
Mariners hitters are slugging .709 over the past seven days (3 games) — best in MLB; League Avg: .408.
Mariners hitters are slugging .711 on the first pitch of at-bats this season — 2nd best in MLB; League Avg: .579.
Astros Pitching Stats & Trends
Astros pitchers have a strikeout rate of 26% this season — best in MLB; League Avg: 22%.
Astros pitchers have a strikeout rate of 32% in close and late situations this season — best in MLB; League Avg: 24%.
Astros pitchers have a strikeout rate of 27% with runners in scoring position this season — best in MLB; League Avg: 21%.
Astros pitchers have a strikeout rate of 48% with two-strikes this season — best in MLB; League Avg: 42%.
Mariners Pitching Stats & Trends
The Mariners pitchers have allowed division opponents to score first in just 30% of their games since last season — lowest in MLB; League Avg: 50%.
Mariners pitchers allowed an OBP of just .251 (1,441 PA’s) when facing the leadoff batter in the inning in the 2024 season — best in MLB; League Avg: .305.
Mariners pitchers walked 369 of 5,801 batters (6%) in the 2024 season — best in MLB; League Avg: 8%.
Mariners pitchers have walked 7% of batters since last season — best in MLB; League Avg: 8%.
More MLB Reading:
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