Rays vs Red Sox Prediction, Odds, Moneyline, Spread & Over/Under for Sept. 18

Odds updated as of 6:12 p.m.

On Friday in MLB, the Tampa Bay Rays are playing the Boston Red Sox.

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

Rays vs Red Sox Game Info

• Tampa Bay Rays (93-59) vs. Boston Red Sox (83-70)
• Date: Friday, September 18, 2026
• Time: 7:10 p.m. ET
• Venue: Tropicana Field -- St. Petersburg, Florida
• Coverage: Rays.TV and NESN

Rays vs Red Sox Odds & Moneyline

• All MLB odds, betting lines and prop bets are available on FanDuel Sportsbook.
• Moneyline: TB: (-138) | BOS: (+118)
• Spread: TB: -1.5 (+162) | BOS: +1.5 (-196)
• Total: 7.5 -- Over: (+112) | Under: (-138)

Rays vs Red Sox Probable Starting Pitchers

Probable Pitchers: Ian Seymour (Rays) - 9-6, 4.27 ERA vs Ranger Suarez (Red Sox) - 7-4, 3.33 ERA

The Rays will give the nod to Ian Seymour (9-6, 4.27 ERA), who is eyeing win No. 10 on the season, and the Red Sox will turn to Ranger Suarez (7-4, 3.33 ERA). Seymour and his team have a record of 7-6-0 against the spread when he starts. Seymour's team has been victorious in 45.5% of the games he's started as the moneyline favorite with a record of 5-6. When Suarez starts, the Red Sox have gone 14-12-0 against the spread. The Red Sox are 4-2 in Suarez's six starts this season that they were the moneyline underdog.

Rays vs Red Sox Prediction & Pick

All MLB win probability predictions and picks are according to numberFire.
Prediction: Rays win (56.7%)

Rays vs Red Sox Moneyline

• Looking at the moneyline for Rays-Red Sox, Tampa Bay is the favorite at -138, and Boston is +118 playing on the road.

Rays vs Red Sox Spread

• The Red Sox are +1.5 on the run line against the Rays. The Red Sox are -196 to cover, and the Rays are +162.

Rays vs Red Sox Over/Under

• A total of 7.5 runs has been set for the Rays-Red Sox game on Sept. 18, with the over available at +112 and the under at -138.

Bet on Tampa Bay Rays vs. Boston Red Sox on FanDuel today!

Rays vs Red Sox Betting Trends

• The Rays have won in 64, or 63.4%, of the 101 contests they have been named as odds-on favorites in this year.
• Tampa Bay has a record of 33-17 in contests when oddsmakers favor them by -138 or more on the moneyline.
• The Rays and their opponents have gone over the total this season in 71 of their 150 opportunities.
• The Rays are 81-69-0 against the spread in their 150 games that had a posted line this season.
• The Red Sox have won 20 of the 41 games they were the underdog on the moneyline this season (48.8%).
• When it has played as a moneyline underdog with odds of +118 or longer, Boston has an 8-12 record (winning 40% of its games).
• The Red Sox have had an over/under set by oddsmakers 150 times, and have combined with opponents to go over the total in 68 of those games (68-80-2).
• The Red Sox have gone 70-80-0 against the spread this season.

Rays Player Leaders

• Junior Caminero leads Tampa Bay with 161 hits, batting .277 this season with 65 extra-base hits. He has an on-base percentage of .363 and a slugging percentage of .532.
• Among qualified hitters in MLB, his batting average ranks 28th, his on-base percentage ranks 23rd, and he is fourth in slugging.
• Yandy Diaz has hit 22 homers this season while driving in 81 runs. He's batting .295 this season and slugging .453 with an on-base percentage of .359.
• Among qualified hitters, his batting average places him eighth, his on-base percentage 32nd, and his slugging percentage 43rd.
• Liam Hicks leads Tampa Bay in OBP (.369) this season, fueled by 130 hits.
• Chandler Simpson has no home runs, but 36 RBI and a batting average of .311 this season.
• Simpson has hit safely in five straight games. During his last five outings he is hitting .429 with two doubles and five RBIs.

Red Sox Player Leaders

• Wilyer Abreu is hitting .254 with 36 doubles, four triples, 24 home runs and 68 walks. He's slugging .459 with an on-base percentage of .333.
• He ranks 70th in batting average, 63rd in on-base percentage and 38th in slugging percentage among all qualifying batters in the majors.
• Caleb Durbin is hitting .248 with 23 doubles, a triple, 13 home runs and 49 walks. He's slugging .381 with an on-base percentage of .333.
• Including all qualified players, his batting average puts him 82nd, his on-base percentage ranks 63rd, and he is 108th in slugging.
• Willson Contreras has racked up an on-base percentage of .387 and has 123 hits, both team-high marks for the Red Sox.
• Jarren Duran has 15 doubles, four triples, 20 home runs and 37 walks while batting .203.

Rays vs Red Sox Head to Head

• 7/19/2026: 6-1 BOS (Favorite: Red Sox, Spread: -1.5, Total: 8.5, Favorite Moneyline: -126, Underdog Moneyline: +108)
• 7/17/2026: 5-3 BOS (Favorite: Red Sox, Spread: -1.5, Total: 9, Favorite Moneyline: -126, Underdog Moneyline: +108)
• 7/17/2026: 10-0 BOS (Favorite: Red Sox, Spread: -1.5, Total: 8.5, Favorite Moneyline: -116, Underdog Moneyline: -102)
• 6/10/2026: 7-5 TB (Favorite: Rays, Spread: -1.5, Total: 7.5, Favorite Moneyline: -162, Underdog Moneyline: +136)
• 6/9/2026: 4-3 TB (Favorite: Red Sox, Spread: -1.5, Total: 7.5, Favorite Moneyline: -122, Underdog Moneyline: +104)
• 6/8/2026: 3-1 TB (Favorite: Red Sox, Spread: -1.5, Total: 8, Favorite Moneyline: -116, Underdog Moneyline: -102)
• 5/10/2026: 4-1 TB (Favorite: Red Sox, Spread: -1.5, Total: 8.5, Favorite Moneyline: -148, Underdog Moneyline: +126)
• 5/8/2026: 2-0 BOS (Favorite: Red Sox, Spread: -1.5, Total: 8.5, Favorite Moneyline: -132, Underdog Moneyline: +112)
• 5/7/2026: 8-4 TB (Favorite: Red Sox, Spread: -1.5, Total: 8.5, Favorite Moneyline: -116, Underdog Moneyline: -102)
• 9/21/2025: 7-3 TB (Favorite: Red Sox, Spread: -1.5, Total: 7.5, Favorite Moneyline: -130, Underdog Moneyline: +110)

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