Red Sox vs Astros Prediction, Odds, Moneyline, Spread & Over/Under for May 3

Odds updated as of 1:11 p.m.

The Sunday slate in MLB includes a matchup between the Boston Red Sox and the Houston Astros.

Before you do any MLB betting on this game at FanDuel Sportsbook, here's what you need to know.

Red Sox vs Astros Game Info

• Boston Red Sox (13-20) vs. Houston Astros (13-21)
• Date: Sunday, May 3, 2026
• Time: 1:35 p.m. ET
• Venue: Fenway Park -- Boston, Massachusetts
• Coverage: NESN and SCHN

Red Sox vs Astros Odds & Moneyline

• All MLB odds, betting lines and prop bets are available on FanDuel Sportsbook.
• Moneyline: BOS: (-180) | HOU: (+152)
• Spread: BOS: -1.5 (+112) | HOU: +1.5 (-134)
• Total: 8.5 -- Over: (-120) | Under: (-102)

Red Sox vs Astros Probable Starting Pitchers

Probable Pitchers: Ranger Suarez (Red Sox) - 2-2, 3.09 ERA vs Cody Bolton (Astros) - 0-1, 5.79 ERA

The Red Sox will give the nod to Ranger Suarez (2-2) against the Astros and Cody Bolton (0-1). Suarez's team is 2-4-0 against the spread this season in his starts. Suarez's team has a record of 2-2 this season when he starts and they are the favorite on the moneyline. Bolton has started two games with set spreads, and the Astros failed to cover in both opportunities. The Astros were named the moneyline underdog for one Bolton start this season -- they lost.

Red Sox vs Astros Prediction & Pick

All MLB win probability predictions and picks are according to numberFire.
Prediction: Red Sox win (57.6%)

Red Sox vs Astros Moneyline

• Looking at the moneyline for Red Sox-Astros, Boston is the favorite at -180, and Houston is +152 playing on the road.

Red Sox vs Astros Spread

• The Astros are +1.5 on the run line against the Red Sox. The Astros are -134 to cover, and the Red Sox are +112.

Red Sox vs Astros Over/Under

• The Red Sox-Astros game on May 3 has been given an over/under of 8.5 runs. The over is set at -120 and the under at -102.

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Red Sox vs Astros Betting Trends

• The Red Sox have won in 10, or 45.5%, of the 22 contests they have been named as odds-on favorites in this year.
• Boston has not played a game this season with better moneyline odds than -180.
• The Red Sox and their opponents have gone over in 16 of their 33 games with a total set by sportsbooks this season.
• The Red Sox are 11-22-0 against the spread in their 33 games with a line set by sportsbooks this season.
• The Astros have been the underdog on the moneyline 17 total times this season. They've gone 7-10 in those games.
• Houston has played as a moneyline underdog of +152 or longer in just one game this season, which it lost.
• The Astros have played in 34 games with an over/under set, and have combined with opponents to go over the total 23 times (23-10-1).
• The Astros have covered only 38.2% of their games this season, going 13-21-0 against the spread.

Red Sox Player Leaders

• Wilyer Abreu leads Boston OPS (.849) this season. He has a .306 batting average, an on-base percentage of .378, and a slugging percentage of .471.
• Among qualifying hitters in MLB, his batting average ranks 23rd, his on-base percentage ranks 31st, and he is 48th in slugging.
• Willson Contreras leads Boston with 30 hits. He is batting .263 this season and has 10 extra-base hits. He's also slugging .474 with an on-base percentage of .372.
• Among qualified hitters, his batting average places him 63rd, his on-base percentage 41st, and his slugging percentage 46th.
• Contreras enters this matchup looking to extend his seven-game hit streak. In his last 10 games he is batting .243 with a double, three home runs, three walks and nine RBIs.
• Caleb Durbin has 18 hits this season and has a slash line of .171/.263/.257.
• Jarren Duran is batting .176 with a .239 OBP and 14 RBI for Boston this season.
• Duran heads into this game on a two-game hitting streak. During his last five outings he is batting .111 with a home run, a walk and three RBIs.

Astros Player Leaders

• Yordan Alvarez has racked up an on-base percentage of .438, a slugging percentage of .685, and has 42 hits, all club-bests for the Astros (while batting .331).
• Including all qualifying hitters in the majors, he ranks seventh in batting average, second in on-base percentage and second in slugging percentage.
• Christian Walker has nine doubles, eight home runs and 14 walks while batting .309. He's slugging .577 with an on-base percentage of .386.
• He is 21st in batting average, 26th in on-base percentage and ninth in slugging percentage in the majors.
• Carlos Correa has eight doubles, three home runs and 16 walks while batting .296.
• Jose Altuve is hitting .248 with eight doubles, three home runs and 17 walks.

Red Sox vs Astros Head to Head

• 5/2/2026: 6-3 HOU (Favorite: Red Sox, Spread: -1.5, Total: 9, Favorite Moneyline: -142, Underdog Moneyline: +120)
• 5/1/2026: 3-1 BOS (Favorite: Red Sox, Spread: -1.5, Total: 9, Favorite Moneyline: -120, Underdog Moneyline: +102)
• 4/1/2026: 6-4 HOU (Favorite: Red Sox, Spread: -1.5, Total: 7, Favorite Moneyline: -148, Underdog Moneyline: +126)
• 3/31/2026: 9-2 HOU (Favorite: Astros, Spread: -1.5, Total: 7.5, Favorite Moneyline: -144, Underdog Moneyline: +122)
• 3/30/2026: 8-1 HOU (Favorite: Red Sox, Spread: -1.5, Total: 8.5, Favorite Moneyline: -124, Underdog Moneyline: +106)
• 8/13/2025: 4-1 HOU (Favorite: Astros, Spread: -1.5, Total: 8, Favorite Moneyline: -156, Underdog Moneyline: +132)
• 8/12/2025: 14-1 BOS (Favorite: Astros, Spread: -1.5, Total: 8.5, Favorite Moneyline: -108, Underdog Moneyline: -108)
• 8/11/2025: 7-6 HOU (Favorite: Red Sox, Spread: -1.5, Total: 7.5, Favorite Moneyline: -162, Underdog Moneyline: +136)
• 8/3/2025: 6-1 BOS (Favorite: Astros, Spread: -1.5, Total: 8, Favorite Moneyline: -126, Underdog Moneyline: +108)
• 8/2/2025: 7-3 BOS (Favorite: Red Sox, Spread: -1.5, Total: 9.5, Favorite Moneyline: -134, Underdog Moneyline: +116)

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