Red Sox vs Pirates Prediction, Odds, Moneyline, Spread & Over/Under for Aug. 30

Odds updated as of 6:11 a.m.

The MLB's Saturday slate includes the Boston Red Sox taking on the Pittsburgh Pirates.

Before checking out the MLB betting lines on FanDuel Sportsbook, we've got you covered, in terms of the vital info regarding this game.

Red Sox vs Pirates Game Info

• Boston Red Sox (75-61) vs. Pittsburgh Pirates (60-76)
• Date: Saturday, August 30, 2025
• Time: 4:10 p.m. ET
• Venue: Fenway Park -- Boston, Massachusetts
• Coverage: MLB Network, NESN, and SportsNet PT

Red Sox vs Pirates Odds & Moneyline

• All MLB odds, betting lines and prop bets are available on FanDuel Sportsbook.
• Moneyline: BOS: (-174) | PIT: (+146)
• Spread: BOS: -1.5 (+115) | PIT: +1.5 (-138)
• Total: 9 -- Over: (-110) | Under: (-110)

Red Sox vs Pirates Probable Starting Pitchers

Probable Pitchers: Dustin May (Red Sox) - 7-10, 4.79 ERA vs Johan Oviedo (Pirates) - 1-0, 3.60 ERA

This contest's pitching matchup is set, as the Red Sox will send Dustin May (7-10) to the mound, while Johan Oviedo (1-0) will get the nod for the Pirates. May's team is 7-15-0 against the spread in his starts this season. May's team has a record of 9-9 this season when he starts and they are the favorite on the moneyline. The Pirates covered all of the three games Oviedo has started that had a spread set by bookmakers. The Pirates have been the underdog on the moneyline in three of Oviedo's starts this season, and they went 2-1 in those matchups.

Red Sox vs Pirates Prediction & Pick

All MLB win probability predictions and picks are according to numberFire.
Prediction: Red Sox win (57.8%)

Red Sox vs Pirates Moneyline

• Boston is a -174 favorite on the moneyline, while Pittsburgh is a +146 underdog on the road.

Red Sox vs Pirates Spread

• The Pirates are +1.5 on the spread (-138 to cover), and Boston is +115 to cover the runline.

Red Sox vs Pirates Over/Under

• The Red Sox-Pirates contest on Aug. 30 has been given an over/under of 9 runs. The over is set at -110 and the under at -110.

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Red Sox vs Pirates Betting Trends

• The Red Sox have been chosen as favorites in 83 games this year and have walked away with the win 49 times (59%) in those games.
• This year Boston has won 12 of 17 games when listed as at least -174 on the moneyline.
• Contests with the Red Sox have gone over the total set by bookmakers in 64 of 135 chances this season.
• The Red Sox have an against the spread record of 73-62-0 in 135 games with a line this season.
• The Pirates have won 42% of the games this season they were the moneyline underdog (37-51).
• When playing as a moneyline underdog with odds of +146 or longer, Pittsburgh has gone 9-20 (31%).
• The Pirates have played in 128 games with a set over/under, and have combined with their opponents to go over the total 50 times (50-72-6).
• The Pirates have covered 54.7% of their games this season, going 70-58-0 ATS.

Red Sox Player Leaders

• Jarren Duran leads Boston with 135 hits and an OBP of .333, plus a team-best slugging percentage of .443. He's batting .258.
• Among qualifying hitters in baseball, his batting average ranks 80th, his on-base percentage ranks 69th, and he is 71st in slugging.
• Duran will look for his third straight game with a hit in this contest. In his last five games he is batting .222 with a home run, two walks and three RBIs.
• Trevor Story has 22 doubles, 22 home runs and 28 walks. He's batting .255 and slugging .428 with an on-base percentage of .301.
• Among qualifying hitters, his batting average ranks him 84th, his on-base percentage 126th, and his slugging percentage 79th.
• Ceddanne Rafaela has 115 hits this season and has a slash line of .252/.294/.427.
• Rafaela brings a four-game hitting streak into this game. During his last five outings he is batting .300 with two doubles, a home run and two RBIs.
• Alex Bregman is batting .291 with a .376 OBP and 53 RBI for Boston this season.

Pirates Player Leaders

• Bryan Reynolds has racked up a slugging percentage of .407 and has 123 hits, both team-high marks for the Pirates. He's batting .244 and with an on-base percentage of .304.
• Including all qualified players in the majors, he ranks 113th in batting average, 122nd in on-base percentage and 101st in slugging percentage.
• Oneil Cruz is batting .203 with 17 doubles, two triples, 18 home runs and 57 walks. He's slugging .390 with an on-base percentage of .305.
• Including all qualifying players, he ranks 153rd in batting average, 120th in on-base percentage and 119th in slugging percentage.
• Andrew McCutchen has a team-best .338 on-base percentage.
• Isiah Kiner-Falefa is batting .265 with 20 doubles, two triples, a home run and 17 walks.

Red Sox vs Pirates Head to Head

• 8/29/2025: 4-2 PIT (Favorite: Red Sox, Spread: -1.5, Total: 8, Favorite Moneyline: -118, Underdog Moneyline: -100)
• 4/21/2024: 6-1 BOS (Favorite: Pirates, Spread: -1.5, Total: 8, Favorite Moneyline: -154, Underdog Moneyline: +130)
• 4/20/2024: 4-2 BOS (Favorite: Pirates, Spread: -1.5, Total: 8, Favorite Moneyline: -118, Underdog Moneyline: -100)
• 4/19/2024: 8-1 BOS (Favorite: Pirates, Spread: -1.5, Total: 8.5, Favorite Moneyline: -112, Underdog Moneyline: -104)
• 4/5/2023: 4-1 PIT (Favorite: Red Sox, Spread: -1.5, Total: 8.5, Favorite Moneyline: -154, Underdog Moneyline: +130)
• 4/4/2023: 4-1 PIT (Favorite: Red Sox, Spread: -1.5, Total: 9, Favorite Moneyline: -152, Underdog Moneyline: +128)
• 4/3/2023: 7-6 PIT (Favorite: Red Sox, Spread: -1.5, Total: 9.5, Favorite Moneyline: -154, Underdog Moneyline: +130)
• 8/18/2022: 8-2 PIT (Favorite: Red Sox, Spread: -1.5, Total: 8.5, Favorite Moneyline: -154, Underdog Moneyline: +130)
• 8/17/2022: 8-3 BOS (Favorite: Red Sox, Spread: -1.5, Total: 8, Favorite Moneyline: -158, Underdog Moneyline: +134)
• 8/16/2022: 5-3 BOS (Favorite: Red Sox, Spread: -1.5, Total: 8, Favorite Moneyline: -138, Underdog Moneyline: +118)

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