Guardians vs Red Sox Prediction, Odds, Moneyline, Spread & Over/Under for May 30

Odds updated as of 12:12 a.m.

Saturday's slate in the MLB includes a matchup between the Cleveland Guardians and the Boston Red Sox.

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

Guardians vs Red Sox Game Info

• Cleveland Guardians (34-25) vs. Boston Red Sox (23-33)
• Date: Saturday, May 30, 2026
• Time: 4:10 p.m. ET
• Venue: Progressive Field -- Cleveland, Ohio
• Coverage: CleGuardians.TV and NESN

Guardians vs Red Sox Odds & Moneyline

• All MLB odds, betting lines and prop bets are available on FanDuel Sportsbook.
• Moneyline: CLE: (-134) | BOS: (+114)
• Spread: CLE: -1.5 (+168) | BOS: +1.5 (-205)
• Total: 6.5 -- Over: (-122) | Under: (+100)

Guardians vs Red Sox Probable Starting Pitchers

Probable Pitchers: Parker Messick (Guardians) - 6-1, 2.24 ERA vs Sonny Gray (Red Sox) - 5-1, 3.27 ERA

The Guardians will look to Parker Messick (6-1) versus the Red Sox and Sonny Gray (5-1). Messick's team is 8-3-0 against the spread in his starts this season. Messick's team has won 75% of his starts when they are favored on the moneyline (6-2). The Red Sox have a 6-3-0 ATS record in Gray's nine starts with a set spread. The Red Sox have not been the underdog on the moneyline when Gray starts this season.

Guardians vs Red Sox Prediction & Pick

All MLB win probability predictions and picks are according to numberFire.
Prediction: Red Sox win (50.3%)

Guardians vs Red Sox Moneyline

• Looking at the moneyline for Red Sox-Guardians, Boston is the underdog at +114, and Cleveland is -134 playing at home.

Guardians vs Red Sox Spread

• The Red Sox are +1.5 on the spread (-205 to cover), and Cleveland is +168 to cover the runline.

Guardians vs Red Sox Over/Under

• The over/under for Guardians-Red Sox on May 30 is 6.5. The over is -122, and the under is +100.

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Guardians vs Red Sox Betting Trends

• The Guardians have been favorites in 32 games this season and have come away with the win 19 times (59.4%) in those contests.
• This season Cleveland has come away with a win 10 times in 16 chances when named as a favorite of at least -134 on the moneyline.
• The Guardians and their opponents have hit the over in 27 of their 55 games with a total set by oddsmakers this season.
• The Guardians are 28-27-0 against the spread in their 55 games with a line set by sportsbooks this season.
• The Red Sox have a 6-13 record in games they were listed as the moneyline underdog (winning 31.6% of those games).
• Boston is 3-6 (winning just 33.3% of its games) when playing as a moneyline underdog of +114 or longer.
• The Red Sox have played in 56 games with an over/under set, and have combined with their opponents to go over the total 25 times (25-30-1).
• The Red Sox have put together a 23-33-0 record ATS this season (covering 41.1% of the time).

Guardians Player Leaders

• Jose Ramirez has 12 doubles, eight home runs and 38 walks while batting .227. He has an on-base percentage of .341 and a slugging percentage of .394.
• Among qualified hitters, he is 120th in batting average, his on-base percentage ranks 67th, and he is 92nd in slugging.
• Chase DeLauter is batting .265 with 11 doubles, a triple, seven home runs and 25 walks, while slugging .439 with an on-base percentage of .345.
• Among all qualified, he is 59th in batting average, 58th in on-base percentage and 57th in slugging percentage.
• DeLauter takes a three-game streak with at least one hit into this one. In his last five games he is batting .263 with a walk and an RBI.
• Brayan Rocchio leads the Guardians with an OPS of .788. He has a slash line of .293/.374/.414 this season.
• Angel Martinez has 45 hits, which is tops among Cleveland hitters this season, while batting .246 with 19 extra-base hits.
• Martinez brings a two-game hitting streak into this matchup. In his last five games he is hitting .211 with a double and three RBIs.

Red Sox Player Leaders

• Willson Contreras has 56 hits with a .383 on-base percentage, leading the Red Sox in both statistics. He's batting .290 and slugging .513.
• Including all the qualifying hitters in the big leagues, he is 26th in batting average, 21st in on-base percentage and 21st in slugging percentage.
• Contreras hopes to build on a 12-game hitting streak in this matchup. During his last 10 outings he is batting .436 with two triples, two home runs, two walks and eight RBIs.
• Wilyer Abreu is slugging .425 to pace his team. He has a batting average of .280 with an on-base percentage of .343.
• Including all qualified hitters, he ranks 35th in batting average, 64th in on-base percentage and 71st in slugging percentage.
• Ceddanne Rafaela is hitting .277 with 10 doubles, two triples, five home runs and 12 walks.
• Jarren Duran is batting .214 with nine doubles, a triple, eight home runs and 16 walks.

Guardians vs Red Sox Head to Head

• 5/29/2026: 4-3 CLE (Favorite: Guardians, Spread: -1.5, Total: 8, Favorite Moneyline: -124, Underdog Moneyline: +106)
• 9/3/2025: 8-1 CLE (Favorite: Red Sox, Spread: -1.5, Total: 9, Favorite Moneyline: -154, Underdog Moneyline: +130)
• 9/2/2025: 11-7 BOS (Favorite: Red Sox, Spread: -1.5, Total: 7.5, Favorite Moneyline: -270, Underdog Moneyline: +220)
• 9/1/2025: 6-4 BOS (Favorite: Red Sox, Spread: -1.5, Total: 8, Favorite Moneyline: -144, Underdog Moneyline: +122)
• 4/27/2025: 13-3 BOS (Favorite: Red Sox, Spread: -1.5, Total: 7.5, Favorite Moneyline: -118, Underdog Moneyline: -100)
• 4/26/2025: 7-3 BOS (Favorite: Red Sox, Spread: -1.5, Total: 7.5, Favorite Moneyline: -116, Underdog Moneyline: -102)
• 4/26/2025: 5-4 CLE (Favorite: Red Sox, Spread: -1.5, Total: 7.5, Favorite Moneyline: -110, Underdog Moneyline: -106)
• 4/25/2024: 6-4 CLE (Favorite: Guardians, Spread: -1.5, Total: 7.5, Favorite Moneyline: -132, Underdog Moneyline: +112)
• 4/24/2024: 8-0 BOS (Favorite: Guardians, Spread: -1.5, Total: 7.5, Favorite Moneyline: -136, Underdog Moneyline: +116)
• 4/23/2024: 4-1 CLE (Favorite: Guardians, Spread: -1.5, Total: 8, Favorite Moneyline: -122, Underdog Moneyline: +104)

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