Red Sox vs Tigers Prediction, Odds, Moneyline, Spread & Over/Under for April 20

Odds updated as of 11:11 a.m.

Monday's slate in the MLB includes a matchup between the Boston Red Sox and the Detroit Tigers.

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

Red Sox vs Tigers Game Info

• Boston Red Sox (8-13) vs. Detroit Tigers (12-10)
• Date: Monday, April 20, 2026
• Time: 11:10 a.m. ET
• Venue: Fenway Park -- Boston, Massachusetts
• Coverage: NESN and DSN

Red Sox vs Tigers Odds & Moneyline

• All MLB odds, betting lines and prop bets are available on FanDuel Sportsbook.
• Moneyline: BOS: (-136) | DET: (+116)
• Spread: BOS: -1.5 (+152) | DET: +1.5 (-184)
• Total: 8 -- Over: (-115) | Under: (-105)

Red Sox vs Tigers Probable Starting Pitchers

Probable Pitchers: Sonny Gray (Red Sox) - 2-1, 4.43 ERA vs Jack Flaherty (Tigers) - 0-1, 4.05 ERA

This contest's pitching matchup is set, as the Red Sox will send Sonny Gray (2-1) to the mound, while Jack Flaherty (0-1) will take the ball for the Tigers. When Gray starts, his team is 2-2-0 against the spread this season. When Gray starts a game and his team is the favorite on the moneyline, they have a record of 2-2. The Tigers have a 1-3-0 record against the spread in Flaherty's starts. The Tigers have always been the moneyline underdog when Flaherty starts this season.

Red Sox vs Tigers Moneyline

• Looking at the moneyline for Tigers-Red Sox, Detroit is the underdog at +116, and Boston is -136 playing at home.

Red Sox vs Tigers Spread

• The Red Sox are hosting the Tigers and are favored by 1.5 runs (+152 to cover) on the runline. Detroit is -184 to cover.

Red Sox vs Tigers Over/Under

• A combined run total of 8 has been set for Red Sox-Tigers on April 20, with the over at -115 and the under at -105.

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Red Sox vs Tigers Betting Trends

• The Red Sox have won in eight, or 44.4%, of the 18 contests they have been named as odds-on favorites in this year.
• This season Boston has come away with a win four times in 11 chances when named as a favorite of at least -136 on the moneyline.
• The Red Sox and their opponents have gone over the total this season in 11 of their 21 opportunities.
• The Red Sox are 6-15-0 against the spread in their 21 games that had a posted line this season.
• The Tigers have won 50% of the games this season they were the underdog on the moneyline (3-3).
• Detroit has played as a moneyline underdog of +116 or longer in only one game this season, which it won.
• The Tigers have played in 22 games with an over/under set, and have combined with their opponents to go over the total nine times (9-12-1).
• The Tigers have a 12-10-0 record ATS this season.

Red Sox Player Leaders

• Wilyer Abreu leads Boston with 24 hits and a team-best slugging percentage of .506. He's batting .312 with an on-base percentage of .361.
• Among qualifying hitters in the majors, his batting average ranks 16th, his on-base percentage ranks 53rd, and he is 37th in slugging.
• Abreu hopes to build on a two-game hitting streak in this matchup. During his last five outings he is hitting .222 with two walks and an RBI.
• Willson Contreras leads Boston in OBP (.417) this season, fueled by 19 hits. He's batting .279 while slugging .485.
• He is 45th in batting average, 12th in on-base percentage and 45th in slugging among qualifying batters.
• Contreras brings a two-game streak with at least one hit into this contest. During his last five outings he is batting .200 with a home run and an RBI.
• Roman Anthony has collected 17 base hits, an OBP of .341 and a slugging percentage of .333 this season.
• Jarren Duran has been key for Boston with 11 hits, an OBP of .254 plus a slugging percentage of .266.

Tigers Player Leaders

• Kevin McGonigle has accumulated a .411 on-base percentage and a .481 slugging percentage, both team-high averages for the Tigers. He's batting .312.
• Including all qualifying hitters, he ranks 16th in batting average, while his on-base percentage is 14th and he is 47th in slugging.
• McGonigle brings a four-game hitting streak into this matchup. In his last five games he is hitting .278 with a triple, four walks and an RBI.
• Dillon Dingler's 19 hits lead his team. He has a batting average of .302 while slugging .603 with an on-base percentage of .380.
• Including all qualifying players, he ranks 26th in batting average, 30th in on-base percentage and sixth in slugging percentage.
• Riley Greene has six doubles, a home run and 12 walks while batting .247.
• Gleyber Torres has two doubles, a home run and 15 walks while hitting .238.

Red Sox vs Tigers Head to Head

• 4/19/2026: 6-2 DET (Favorite: Red Sox, Spread: -1.5, Total: 7, Favorite Moneyline: -142, Underdog Moneyline: +120)
• 4/18/2026: 4-1 DET (Favorite: Tigers, Spread: -1.5, Total: 6.5, Favorite Moneyline: -148, Underdog Moneyline: +126)
• 4/17/2026: 1-0 BOS (Favorite: Red Sox, Spread: -1.5, Total: 8, Favorite Moneyline: -126, Underdog Moneyline: +108)
• 9/28/2025: 4-3 BOS (Favorite: Tigers, Spread: -1.5, Total: 9, Favorite Moneyline: -112, Underdog Moneyline: -104)
• 9/27/2025: 2-1 DET (Favorite: Red Sox, Spread: -1.5, Total: 8.5, Favorite Moneyline: -116, Underdog Moneyline: -102)
• 9/26/2025: 4-3 BOS (Favorite: Red Sox, Spread: -1.5, Total: 9, Favorite Moneyline: -122, Underdog Moneyline: +104)
• 5/14/2025: 6-5 DET (Favorite: Tigers, Spread: -1.5, Total: 7, Favorite Moneyline: -245, Underdog Moneyline: +200)
• 5/13/2025: 10-9 DET (Favorite: Tigers, Spread: -1.5, Total: 8.5, Favorite Moneyline: -116, Underdog Moneyline: -102)
• 5/12/2025: 14-2 DET (Favorite: Red Sox, Spread: -1.5, Total: 8.5, Favorite Moneyline: -116, Underdog Moneyline: -102)
• 9/1/2024: 4-1 DET (Favorite: Tigers, Spread: -1.5, Total: 9.5, Favorite Moneyline: -108, Underdog Moneyline: -108)

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