Rays vs Marlins Prediction, Odds, Moneyline, Spread & Over/Under for May 18

Odds updated as of 12:11 a.m.

The MLB's Sunday slate includes the Tampa Bay Rays facing the Miami Marlins.

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.

Rays vs Marlins Game Info

• Tampa Bay Rays (21-24) vs. Miami Marlins (17-27)
• Date: Sunday, May 18, 2025
• Time: 1:40 p.m. ET
• Venue: loanDepot park -- Miami, Florida
• Coverage: FDSFL and FDSSUN

Rays vs Marlins Odds & Moneyline

• All MLB odds, betting lines and prop bets are available on FanDuel Sportsbook.
• Moneyline: TB: (-152) | MIA: (+128)
• Spread: TB: -1.5 (+108) | MIA: +1.5 (-130)
• Total: 8.5 -- Over: (-110) | Under: (-110)

Rays vs Marlins Probable Starting Pitchers

Probable Pitchers: Shane Baz (Rays) - 3-2, 5.02 ERA vs Cal Quantrill (Marlins) - 2-4, 7.00 ERA

The Rays will give the ball to Shane Baz (3-2, 5.02 ERA), who is eyeing win No. 4 on the season, and the Marlins will turn to Cal Quantrill (2-4, 7.00 ERA). When Baz starts, his team is 5-3-0 against the spread this season. When Baz starts a game and his team is the favorite on the moneyline, they have a record of 3-2. The Marlins have gone 5-3-0 ATS in Quantrill's eight starts that had a set spread. The Marlins have been the underdog on the moneyline in eight of Quantrill's starts this season, and they went 4-4 in those games.

Rays vs Marlins Prediction & Pick

All MLB win probability predictions and picks are according to numberFire.
Prediction: Rays win (57.5%)

Rays vs Marlins Moneyline

• The moneyline numbers for Rays vs. Marlins reveal Tampa Bay as the favorite (-152) and Miami as the underdog (+128) despite being the home team.

Rays vs Marlins Spread

• The Rays are 1.5-run road favorites on the runline against the Marlins. The Rays are +108 to cover, and the Marlins are -130.

Rays vs Marlins Over/Under

• A combined run total of 8.5 has been set for Rays-Marlins on May 18, with the over at -110 and the under at -110.

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Rays vs Marlins Betting Trends

• The Rays have come away with 11 wins in the 22 contests they have been listed as the favorites in this season.
• Tampa Bay has a record of 4-5 when favored by -152 or more this year.
• The Rays and their opponents have gone over the total this season in 18 of their 44 opportunities.
• The Rays are 20-24-0 against the spread in their 44 games with a line set by sportsbooks this season.
• The Marlins have been the moneyline underdog 38 total times this season. They've finished 13-25 in those games.
• When playing as a moneyline underdog with odds of +128 or longer, Miami has a 6-16 record (winning just 27.3% of its games).
• The Marlins have had an over/under set by bookmakers 44 times, and have combined with opponents to go over the total in 27 of those games (27-17-0).
• The Marlins have put together a 23-21-0 record against the spread this season (covering 52.3% of the time).

Rays Player Leaders

• Yandy Diaz has eight doubles, six home runs and 12 walks while batting .243. He has an on-base percentage of .293 and a slugging percentage of .396.
• Among all qualifying hitters, he is 100th in batting average, his on-base percentage ranks 126th, and he is 98th in slugging.
• Diaz has hit safely in two straight games. During his last five outings he is batting .150 with a walk and three RBIs.
• Jonathan Aranda has 43 hits and an OBP of .406 to go with a slugging percentage of .522. All three of those stats are tops among Tampa Bay hitters this season. He's batting .321.
• He is seventh in batting average, seventh in on-base percentage and 18th in slugging in the major leagues.
• Junior Caminero has collected 39 base hits, an OBP of .272 and a slugging percentage of .426 this season.
• Brandon Lowe has seven home runs, 24 RBI and a batting average of .217 this season.

Marlins Player Leaders

• Kyle Stowers has accumulated an on-base percentage of .379, a slugging percentage of .568, and has 45 hits, all club-highs for the Marlins (while batting .304).
• Including all the qualified hitters in the big leagues, his batting average is 15th, his on-base percentage is 24th, and he is 10th in slugging.
• Stowers brings a five-game hitting streak into this game. During his last five outings he is hitting .421 with a double, a triple, three home runs, a walk and four RBIs.
• Xavier Edwards is slugging .292 to lead his team. He has a batting average of .263 with an on-base percentage of .337.
• Including all qualified hitters, he is 65th in batting average, 72nd in on-base percentage and 158th in slugging percentage.
• Eric Wagaman has nine doubles, a triple, three home runs and 11 walks while batting .240.
• Agustin Ramirez is batting .263 with 10 doubles, five home runs and seven walks.

Rays vs Marlins Head to Head

• 5/17/2025: 4-0 TB (Favorite: Rays, Spread: -1.5, Total: 8, Favorite Moneyline: -146, Underdog Moneyline: +124)
• 5/16/2025: 9-4 MIA (Favorite: Rays, Spread: -1.5, Total: 8.5, Favorite Moneyline: -126, Underdog Moneyline: +108)
• 7/31/2024: 6-2 MIA (Favorite: Rays, Spread: -1.5, Total: 7.5, Favorite Moneyline: -260, Underdog Moneyline: +215)
• 7/30/2024: 9-3 TB (Favorite: Rays, Spread: -1.5, Total: 7, Favorite Moneyline: -174, Underdog Moneyline: +146)
• 6/5/2024: 5-3 TB (Favorite: Rays, Spread: -1.5, Total: 7.5, Favorite Moneyline: -132, Underdog Moneyline: +112)
• 6/4/2024: 9-5 TB (Favorite: Rays, Spread: -1.5, Total: 7.5, Favorite Moneyline: -132, Underdog Moneyline: +112)
• 8/30/2023: 3-0 TB (Favorite: Rays, Spread: -1.5, Total: 7.5, Favorite Moneyline: -122, Underdog Moneyline: +104)
• 8/29/2023: 11-2 TB (Favorite: Marlins, Spread: -1.5, Total: 7.5, Favorite Moneyline: -124, Underdog Moneyline: +106)
• 7/26/2023: 7-1 MIA (Favorite: Rays, Spread: -1.5, Total: 7, Favorite Moneyline: -178, Underdog Moneyline: +150)
• 7/25/2023: 4-1 TB (Favorite: Rays, Spread: -1.5, Total: 7.5, Favorite Moneyline: -205, Underdog Moneyline: +172)

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