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

Odds updated as of 7:12 p.m.

On Monday in MLB, the Boston Red Sox are up against the Detroit Tigers.

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

Red Sox vs Tigers Game Info

• Boston Red Sox (8-12) vs. Detroit Tigers (11-10)
• 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: (-130) | DET: (+110)
• Spread: BOS: -1.5 (+160) | DET: +1.5 (-194)
• 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 answer the bell for the Tigers. Gray and his team are 2-2-0 ATS this season when he starts. Gray's team is 2-2 this season when he starts and they are the moneyline favorite. The Tigers have a 1-3-0 ATS record in Flaherty's four starts that had a set spread. The Tigers have always been the moneyline underdog when Flaherty starts this season.

Red Sox vs Tigers Prediction & Pick

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

Red Sox vs Tigers Moneyline

• Detroit is the underdog, +110 on the moneyline, while Boston is a -130 favorite at home.

Red Sox vs Tigers Spread

• The Tigers are +1.5 on the spread (-194 to cover), and Boston is +160 to cover the runline.

Red Sox vs Tigers Over/Under

• Red Sox versus Tigers, on April 20, has an over/under of 8, with the over being -115 and the under -105.

Bet on Boston Red Sox vs. Detroit Tigers on FanDuel today!

Red Sox vs Tigers Betting Trends

• The Red Sox have won in eight, or 47.1%, of the 17 contests they have been named as odds-on favorites in this year.
• This season Boston has come away with a win four times in 12 chances when named as a favorite of at least -130 on the moneyline.
• The Red Sox and their opponents have gone over the total this season in 10 of their 20 opportunities.
• In 20 games with a line this season, the Red Sox have a mark of 6-14-0 against the spread.
• The Tigers have won two of the five games they were the underdog on the moneyline this season (40%).
• Detroit has played as a moneyline underdog of +110 or longer in just one game this season, which it won.
• In the 21 games bookmakers have set an over/under for the Tigers, they have combined with opponents to go over the total eight times (8-12-1).
• The Tigers have put together an 11-10-0 record ATS this season (covering 52.4% of the time).

Red Sox Player Leaders

• Wilyer Abreu has 23 hits to go with a slugging percentage of .514, both of which are tops among Boston hitters this season. He has a .311 batting average and an on-base percentage of .354.
• Among all qualified batters in baseball, his batting average ranks 21st, his on-base percentage ranks 58th, and he is 38th in slugging.
• Willson Contreras has 18 hits this season and a team-best OBP of .425. He's batting .281 and slugging .453.
• Among all qualified batters, he ranks 43rd in batting average, 11th in on-base percentage and 65th in slugging percentage.
• Roman Anthony is batting .236 with a .347 slugging percentage and three RBI this year.
• Jarren Duran has one home run, 10 RBI and a batting average of .172 this season.

Tigers Player Leaders

• Kevin McGonigle has racked up an on-base percentage of .411 and a slugging percentage of .481. Both lead the Tigers. He's batting .312.
• Including all qualifying players in the big leagues, he is 20th in batting average, 13th in on-base percentage and 47th in slugging percentage.
• McGonigle enters this matchup on a four-game hitting streak. During his last five outings he is hitting .278 with a triple, four walks and an RBI.
• Riley Greene has six doubles, a home run and 12 walks while batting .247. He's slugging .370 with an on-base percentage of .353.
• Including all qualifying players, he is 93rd in batting average, 60th in on-base percentage and 109th in slugging percentage.
• Dillon Dingler has 15 hits, a team-best for the Tigers.
• Gleyber Torres is hitting .237 with two doubles, a home run and 14 walks.

Red Sox vs Tigers Head to Head

• 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)
• 8/31/2024: 2-1 DET (Favorite: Tigers, Spread: -1.5, Total: 7.5, Favorite Moneyline: -142, Underdog Moneyline: +120)

Sign up for FanDuel Sportsbook and FanDuel Daily Fantasy today!