Reds vs Astros Prediction, Odds & Player Prop Bets Today – MLB, May 9

Houston Astros' Jose Altuve bats during the first inning of a spring training baseball game against the St. Louis Cardinals, Monday, March 6, 2023, in Jupiter, Fla. (AP Photo/Lynne Sladky)
(AP Photo/Lynne Sladky)
  • The Astros are -175 favorites vs the Reds
  • Reds vs Astros Over / Under today: 7.5 Runs
  • Reds / Astros TV Channel: FDOH | SCHN

The Cincinnati Reds (+145) visit Daikin Park to take on the Houston Astros (-175) on Friday, May 9, 2025. First pitch is scheduled for 8:10pm EDT in Houston, TX, TX.

This season, the Reds are 19-20 against the spread (ATS), while the Astros are 20-16 ATS.

Reds vs Astros Starting Pitchers Today:

  • Reds starting pitcher: Nick Martinez 1-3, 4.23 ERA
  • Astros starting pitcher: Hunter Brown 5-1, 1.66 ERA

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

SpreadOver / UnderMoneyline
Reds+1.5 -160O 7.5 -118+145
Astros -1.5 +135U 7.5 -102-175

Reds vs Astros Prediction for Today’s Game

Based on recent trends the model predicts the Astros will win Friday‘s MLB game with 60.4% 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 Reds players for Friday‘s game, looking at profitable historical betting trends:

Best Reds Player Prop Bets Today:

  • Jose Trevino has hit the Home Runs Over in 2 of his last 7 games (+10.40 Units / 149% ROI)
  • Tyler Stephenson has hit the Runs Under in 13 of his last 15 away games (+9.70 Units / 35% ROI)
  • TJ Friedl has hit the Hits Over in 19 of his last 25 games (+8.70 Units / 19% ROI)
  • Gavin Lux has hit the Hits Runs and RBIs Over in 17 of his last 25 away games (+8.60 Units / 29% ROI)
  • Tyler Stephenson has hit the RBIs Under in 13 of his last 15 away games (+8.50 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:

  • Hunter Brown has hit the Pitching Outs Over in 21 of his last 25 games (+17.30 Units / 46% ROI)
  • Hunter Brown has hit the Earned Runs Under in 20 of his last 25 games (+15.95 Units / 50% ROI)
  • Jeremy Pena has hit the Hits Over in 19 of his last 25 games (+12.75 Units / 27% ROI)
  • Jeremy Pena has hit the Singles Over in 19 of his last 25 games (+11.15 Units / 34% ROI)
  • Hunter Brown has hit the Hits Allowed Under in 15 of his last 20 games (+9.10 Units / 34% ROI)
  • The Cincinnati Reds have covered the 1st Five Innings (F5) Run Line in 18 of their last 29 games (+6.10 Units / 18% ROI)
  • The Cincinnati Reds have hit the 1st Five Innings (F5) Moneyline in 15 of their last 28 games (+5.80 Units / 16% ROI)
  • The Cincinnati Reds have hit the Game Total Under in 11 of their last 16 games (+5.20 Units / 29% ROI)
  • The Cincinnati Reds have covered the Run Line in 22 of their last 36 games (+4.90 Units / 10% ROI)
  • The Cincinnati Reds have hit the Moneyline in 9 of their last 16 away games (+3.35 Units / 18% ROI)
  • The Houston Astros have covered the Run Line in 18 of their last 28 games (+10.35 Units / 29% ROI)
  • The Houston Astros have hit the Team Total Under in 22 of their last 36 games (+7.10 Units / 17% ROI)
  • The Houston Astros have hit the 1st Five Innings (F5) Team Total Over in 10 of their last 13 games at home (+6.35 Units / 38% ROI)
  • The Houston Astros have hit the Game Total Over in 8 of their last 10 games (+5.80 Units / 53% ROI)
  • The Houston Astros have hit the Moneyline in 8 of their last 10 games at home (+5.60 Units / 44% ROI)

Reds Against the Spread (ATS) Record

Against the spread this season, the Reds are 22-17 against the Run Line (+0.55 Units / 1% ROI).

  • 19-20 when betting on the Moneyline for -2 Units / -4.27% ROI
  • 17-21 when betting on the total runs Over for -6.1 Units / -14.27% ROI
  • 21-17 when betting on the total runs Under for +2.15 Units / 4.99% ROI

Astros Against the Spread (ATS) Record

Against the spread this season, the Astros are 20-16 against the Run Line (+5.7 Units / 12.3% ROI).

  • 18-18 when betting on the Moneyline for -5 Units / -10.72% ROI
  • 16-18 when betting on the total runs Over for -3.65 Units / -9.29% ROI
  • 18-16 when betting on the total runs Under for +0.2 Units / 0.5% ROI

Astros vs Reds Home Run Prop Bets Today

Over Under
Christian Walker (HOU) 0.5 +400 0.5 -550
Zach Dezenzo (HOU) 0.5 +550 0.5 -800
Jeremy Pena (HOU) 0.5 +575 0.5 -900
Yainer Diaz (HOU) 0.5 +625 0.5 -1000
Matt McLain (CIN) 0.5 +625 0.5 -1000

Astros vs Reds Total Hits Prop Bets Today

Over Under
Jeremy Pena (HOU) 0.5 -275 0.5 +200
Yainer Diaz (HOU) 0.5 -250 0.5 +190
Jose Altuve (HOU) 0.5 -210 0.5 +160
Christian Walker (HOU) 0.5 -200 0.5 +150
Santiago Espinal (CIN) 0.5 -185 0.5 +135

Astros vs Reds RBI Prop Bets Today

Over Under
Christian Walker (HOU) 0.5 +160 0.5 -210
Yainer Diaz (HOU) 0.5 +190 0.5 -250
Zach Dezenzo (HOU) 0.5 +200 0.5 -275
Isaac Paredes (HOU) 0.5 +200 0.5 -275
Elly De La Cruz (CIN) 0.5 +220 0.5 -300

Astros vs Reds Strikeout Prop Bets Today

Over Under
Hunter Brown (HOU) 6.5 -150 6.5 +115
Nick Martinez (CIN) 4.5 +120 4.5 -155

Opponents are hitting .478 (11-for-23) against Nick Martinez’s elevated fastball this season — highest among qualified SPs in MLB; League Avg: .214 — first Percentile.

Left-handed hitters have a groundball rate of just 24% (13/55) against Nick Martinez this season — 3rd lowest among qualified SPs in MLB; League Avg: 42% — fifth Percentile.

Nick Martinez has allowed an average Exit Velocity of just 86.8 MPH against his fastballs since the 2023 season (337 balls in play) — best in MLB among starting pitchers with at least 143 total IP; League Avg: 90.8

Opponents had a groundball rate of 74% (32/43) against Nick Martinez’s curve and slider in 2023 — highest among qualified RPs in MLB*; League Avg: 42% — 100th Percentile.

Astros Starting Pitcher Stats & Trends

Hunter Brown has allowed an OBP of just .159 (63 PA’s) when going through the lineup the second time in a game this season — 2nd best among qualified SPs in MLB; League Avg: .288 — 98th Percentile.

Hunter Brown allowed a batting average of .333 vs right-handed batters (ninth worst)– 12th Percentile and just .150 vs left-handed batters over the last two weeks (ninth best among qualified SPs)– 84th Percentile.

Opponents have a Hard-Hit Rate of just 28% (82/288) against Hunter Brown on fastballs since last season — best in MLB among starting pitchers with at least 78 total IP; League Avg: 45% — 100th Percentile.

Opponents are hitting just .102 (6-for-59) against Hunter Brown when going through the lineup the second time in a game this season — best among among AL Starters; League Avg: .224 — 100th Percentile.

Reds Keys to the Game vs. the Astros

The Reds were just 5-16 (.238) when tied entering the 8th inning in the 2024 season — lowest in MLB; League Avg: .500.

The Reds are just 4-79 (.048) when trailing entering the 8th inning since last season — 2nd lowest in MLB; League Avg: .097.

The Reds are just 6-18 (.250) when tied entering the 8th inning since last season — 2nd lowest in MLB; League Avg: .500.

The Reds are just 6-76 (.073) when trailing entering the 7th inning since last season — 3rd lowest in MLB; League Avg: .140.

Astros Keys to the Game vs. the Reds

The Astros were just 0-56 (.000) when trailing entering the 9th inning in the 2024 season — tied for lowest in MLB; League Avg: .050.

The Astros are just 1-73 (.014) when trailing entering the 9th inning since last season — 3rd lowest in MLB; League Avg: .049.

The Astros are just 2-7 (.222) vs top 10 scoring offenses this season They play the Reds (16th best runs scored) today.

The Astros are 157-16 (.908) when leading entering the 7th inning since the 2023 season — 3rd best in MLB; League Avg: .860.

The Reds batted just .116 on pitches out of the zone in the 2024 season — lowest in MLB; League Avg: .150.

Reds hitters are slugging just .157 on pitches out of the zone since last season — lowest in MLB; League Avg: .204.

Reds hitters slugged just .151 on pitches out of the zone in the 2024 season — lowest in MLB; League Avg: .204.

The Reds are batting just .127 on pitches out of the zone since the 2023 season — tied for lowest in MLB; League Avg: .150.

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 averaged just 3.66 pitches per plate appearance in the 2024 season — lowest in MLB; League Avg: 3.89.

Astros hitters have put 46% of balls in play to the left side of the field this season — highest in MLB; League Avg: 37%.

Astros hitters have an OBP of .431 (160 PA’s) when facing the starting pitcher for the 3rd time in a game this season — best in MLB; League Avg: .326.

Opponents had a groundball rate of just 39% against Reds pitchers in 2023 — 2nd lowest in MLB; League Avg: 43%.

Opponents have a groundball rate of just 39% against Reds pitchers since the 2023 season — lowest in MLB; League Avg: 43%.

Opponents had a groundball rate of just 39% against Reds pitchers in the 2024 season — lowest in MLB; League Avg: 43%.

Opponents have a groundball rate of just 38% against Reds pitchers this season — lowest in MLB; League Avg: 43%.

Opponents have a miss rate of 28% against Astros pitchers this season — best in MLB; League Avg: 25%.

Opponents have a miss rate of 28% against Astros pitchers since last season — 2nd best in MLB; League Avg: 25%.

Astros pitchers have a strikeout rate of 26% this season — 2nd best in MLB; League Avg: 22%.

Opponents had a miss rate of 27% against Astros pitchers in the 2024 season — 2nd best in MLB; League Avg: 25%.

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.