Diamondbacks vs Astros Prediction, Odds & Player Prop Bets Today – MLB, Sep 4

Houston Astros' Jeremy Pena reacts after flying out during the seventh inning of Game 1 of the baseball AL Championship Series against the Texas Rangers Sunday, Oct. 15, 2023, in Houston.
(AP Photo/David J. Phillip)
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  • The Astros are -140 favorites vs the Diamondbacks
  • Diamondbacks vs Astros Over / Under today: 8.5 Runs
  • Diamondbacks / Astros TV Channel: DBTV | SCHN

The Arizona Diamondbacks (+115) visit Daikin Park to take on the Houston Astros (-140) on September 4, 2026. First pitch is scheduled for 8:10 pm in Houston, TX.

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

Diamondbacks vs Astros Starting Pitchers Today:

  • Diamondbacks starting pitcher: Merrill Kelly 9-12, 5.10 ERA
  • Astros starting pitcher: Cristian Javier 1-5, 6.45 ERA

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

SpreadOver / UnderMoneyline
Diamondbacks+1.5 -185O 8.5 -102+115
Astros -1.5 +150U 8.5 -118-140

Diamondbacks vs Astros Prediction for Today’s Game

Based on recent trends the model predicts the Astros will win Friday‘s MLB game with 55.2% 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 Diamondbacks players for Friday‘s game, looking at profitable historical betting trends:

Best Diamondbacks Player Prop Bets Today:

  • Gabriel Moreno has hit the Home Runs Over in 3 of his last 7 away games (+21.30 Units / 304% ROI)
  • Corbin Carroll has hit the Walks Over in 17 of his last 25 away games (+17.15 Units / 69% ROI)
  • Gabriel Moreno has hit the Total Bases Over in 17 of his last 25 games (+13.75 Units / 55% ROI)
  • Lars Nootbaar has hit the Hits Runs and RBIs Under in 19 of his last 25 games (+12.85 Units / 41% ROI)
  • Gabriel Moreno has hit the Hits Over in 18 of his last 25 away games (+11.10 Units / 25% ROI)

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

Best Astros Player Prop Best Bets Today:

  • Jeremy Pena has hit the Hits Under in 18 of his last 25 games (+13.30 Units / 30% ROI)
  • Christian Walker has hit the Total Bases Under in 15 of his last 20 games (+12.20 Units / 50% ROI)
  • Taylor Trammell has hit the Runs Under in 14 of his last 15 games (+12.00 Units / 38% ROI)
  • Isaac Paredes has hit the Walks Over in 11 of his last 15 games (+11.00 Units / 73% ROI)
  • Jose Altuve has hit the Home Runs Over in 2 of his last 4 games at home (+10.60 Units / 265% ROI)
  • The Arizona Diamondbacks have hit the 1st Five Innings (F5) Team Total Under in 31 of their last 50 away games (+10.95 Units / 18% ROI)
  • The Arizona Diamondbacks have hit the Moneyline in 15 of their last 24 away games (+10.90 Units / 43% ROI)
  • The Arizona Diamondbacks have hit the Game Total Under in 25 of their last 40 away games (+8.70 Units / 20% ROI)
  • The Arizona Diamondbacks have covered the Run Line in 9 of their last 14 games (+4.85 Units / 27% ROI)
  • The Arizona Diamondbacks have hit the Team Total Under in 7 of their last 10 games (+3.50 Units / 29% ROI)
  • The Houston Astros have covered the Run Line in 23 of their last 40 games (+9.35 Units / 19% ROI)
  • The Houston Astros have hit the 1st Five Innings (F5) Team Total Under in 17 of their last 24 games (+8.30 Units / 28% ROI)
  • The Houston Astros have hit the Team Total Under in 8 of their last 11 games at home (+4.80 Units / 39% ROI)
  • The Houston Astros have hit the Game Total Under in 8 of their last 11 games at home (+4.70 Units / 39% ROI)
  • The Houston Astros have hit the Moneyline in 7 of their last 10 games (+4.65 Units / 40% ROI)

Diamondbacks Against the Spread (ATS) Record

Against the spread this season, the Diamondbacks 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

Diamondbacks Keys to the Game vs. the Astros

The Diamondbacks are 64-0 (1.000) when leading entering the 9th inning this season — tied for best in MLB.

The Diamondbacks are just 112-25 (.818) when leading entering the 7th inning since the 2025 season — 5th lowest in MLB.

The Diamondbacks are 9-123 (.068) when trailing entering the 9th inning since the 2025 season — 3rd best in MLB.

The Diamondbacks were just 67-7 (.905) when leading entering the 9th inning in the 2025 season — 2nd lowest in MLB; League Avg: .956.

Astros Keys to the Game vs. the Diamondbacks

The Astros are 12-5 (.706) when tied entering the 8th inning this season — 2nd best in MLB.

The Astros are 53-3 (.946) when leading entering the 7th inning this season — 2nd best in MLB.

The Astros are 40-29 (.580) after a loss this season — 5th best in MLB.

The Astros are 62-0 (1.000) when leading entering the 9th inning this season — tied for best in MLB.

The Diamondbacks are batting .277 against LHP this season — best in MLB.

Diamondbacks hitters have struck out in just 18% of their PA’s against LHP this season — best in MLB.

Diamondbacks hitters have put 41% of their swings in play against LHP this season — highest in MLB.

Diamondbacks hitters are slugging .441 against LHP this season — 2nd best in MLB.

29% of Astros hitters strikeouts have come on 95+ MPH fastballs this season — highest in MLB.

Astros hitters have drawn walks in 13% of their PA’s with runners in scoring position this season — best in MLB.

Astros hitters have an OBP of just .237 (2,789 PA’s) with two-strikes this season — tied for 3rd lowest in MLB.

Astros hitters have put just 34% of balls in play to the right side of the field this season — 2nd lowest in MLB.

Diamondbacks pitchers have a strikeout rate of just 38% with two-strikes this season — 2nd lowest in MLB.

Diamondbacks pitchers have a strikeout rate of just 18% this season — 2nd lowest in MLB.

Diamondbacks pitchers have a strikeout rate of just 17% with runners in scoring position this season — 2nd lowest in MLB.

Opponents have a miss rate of just 22% against Diamondbacks pitchers this season — 2nd lowest in MLB.

Astros pitchers have walked 11% of batters when facing the leadoff batter in the inning this season — highest in MLB.

Astros pitchers have walked 11% of batters this season — highest in MLB.

Opponents have a groundball rate of just 39% against Astros pitchers this season — 2nd lowest in MLB.

The longest HR allowed by the Astros pitchers this season traveled 397.0 feet — — shortest 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.