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

Odds updated as of 2:11 a.m.
On Sunday in MLB, the Tampa Bay Rays are playing the Miami Marlins.
We've got you covered, in terms of the vital info about this matchup before you take a look at the MLB odds and spreads on FanDuel Sportsbook.
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 (+106) | MIA: +1.5 (-128)
- 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 nod 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. Baz's team has a record of 3-2 this season when he starts and they are the favorite on the moneyline. When Quantrill starts, the Marlins are 5-3-0 against the spread. The Marlins have a 4-4 record in Quantrill's eight starts this season when they were the underdog on the moneyline.
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
- Looking at the moneyline for Rays-Marlins, Tampa Bay is the favorite at -152, and Miami is +128 playing at home.
Rays vs Marlins Spread
- The Marlins are +1.5 on the spread (-128 to cover), and Tampa Bay is +106 to cover the runline.
Rays vs Marlins Over/Under
- An over/under of 8.5 has been set for Rays-Marlins on May 18, with the over being -110 and the under -110.
Bet on Tampa Bay Rays vs. Miami Marlins on FanDuel today!
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.
- This season Tampa Bay has come away with a win four times in nine chances when named as a favorite of at least -152 on the moneyline.
- Contests with the Rays have gone over the total set by bookmakers in 18 of 44 chances this season.
- The Rays have posted a record of 20-24-0 against the spread this season.
- The Marlins have won 13 of the 38 games they were the moneyline underdog this season (34.2%).
- Miami is 6-16 (winning only 27.3% of its games) when it has played as a moneyline underdog of +128 or longer.
- The Marlins have combined with opponents to hit the over on the total 27 times this season for a 27-17-0 record against the over/under.
- The Marlins have 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 qualified hitters, he is 101st in batting average, his on-base percentage ranks 126th, and he is 98th in slugging.
- Diaz hopes to build on a two-game hitting streak in this matchup. In his last five games he is batting .150 with a walk and three RBIs.
- Jonathan Aranda leads Tampa Bay in OBP (.406), slugging percentage (.522) and total hits (43) this season. He's batting .321.
- Among qualifying batters, he ranks seventh in batting average, sixth in on-base percentage and 19th in slugging percentage.
- Junior Caminero has collected 39 base hits, an OBP of .272 and a slugging percentage of .426 this season.
- Brandon Lowe is batting .217 with a .275 OBP and 24 RBI for Tampa Bay this season.
Marlins Player Leaders
- Kyle Stowers has racked up 45 hits with a .379 on-base percentage and a .568 slugging percentage, all club-highs for the Marlins. He's batting .304.
- Including all qualifying hitters in the big leagues, he is 16th in batting average, 22nd in on-base percentage and 10th in slugging percentage.
- Stowers hopes to build on a five-game hitting streak in this matchup. In his last five games he is hitting .421 with a double, a triple, three home runs, a walk and four RBIs.
- Xavier Edwards' .292 slugging percentage paces his team. He has a batting average of .263 with an on-base percentage of .337.
- Including all qualified hitters, his batting average puts him 64th, his on-base percentage is 72nd, and he is 159th in slugging.
- Eric Wagaman has nine doubles, a triple, three home runs and 11 walks while hitting .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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