Rays vs Mariners Prediction, Odds, Moneyline, Spread & Over/Under for July 10

Odds updated as of 2:12 a.m.

The MLB slate on Friday includes the Tampa Bay Rays taking on the Seattle Mariners.

All the info you need to make smart wagers on this matchup at FanDuel Sportsbook can be found below. Check out all of the latest MLB betting lines here.

Rays vs Mariners Game Info

• Tampa Bay Rays (54-37) vs. Seattle Mariners (47-47)
• Date: Friday, July 10, 2026
• Time: 7:10 p.m. ET
• Venue: Tropicana Field -- St. Petersburg, Florida
• Coverage: Rays.TV and Mariners.TV

Rays vs Mariners Odds & Moneyline

• All MLB odds, betting lines and prop bets are available on FanDuel Sportsbook.
• Moneyline: TB: (-116) | SEA: (-102)
• Spread: TB: +1.5 (-196) | SEA: -1.5 (+162)
• Total: 8 -- Over: (-104) | Under: (-118)

Rays vs Mariners Probable Starting Pitchers

Probable Pitchers: Nick Martínez (Rays) - 7-2, 2.61 ERA vs Luis Castillo (Mariners) - 3-7, 4.79 ERA

The Rays will look to Nick Martinez (7-2) against the Mariners and Luis Castillo (3-7). Martinez and his team are 13-4-0 ATS this season when he starts. When Martinez starts a game and his team is the favorite on the moneyline, they have a record of 5-2. The Mariners are 4-10-0 against the spread when Castillo starts. The Mariners have been the underdog on the moneyline in four of Castillo's starts this season, and they went 1-3 in those matchups.

Rays vs Mariners Prediction & Pick

All MLB win probability predictions and picks are according to numberFire.
Prediction: Rays win (55.3%)

Rays vs Mariners Moneyline

• The moneyline numbers for Rays vs. Mariners reveal Tampa Bay as the favorite (-116) and Seattle as the underdog (-102) on the road.

Rays vs Mariners Spread

• The Mariners are 1.5-run favorites against the spread for this matchup with the Rays. The Mariners are +162 to cover, while the Rays are -196 to cover as a 1.5-run underdog on the runline.

Rays vs Mariners Over/Under

• A combined run total of 8 has been set for Rays-Mariners on July 10, with the over at -104 and the under at -118.

Bet on Tampa Bay Rays vs. Seattle Mariners on FanDuel today!

Rays vs Mariners Betting Trends

• The Rays have won in 37, or 63.8%, of the 58 contests they have been named as odds-on favorites in this year.
• This year Tampa Bay has won 36 of 52 games when listed as at least -116 on the moneyline.
• The Rays and their opponents have gone over in 42 of their 90 games with a total set by sportsbooks this season.
• The Rays have an against the spread record of 54-36-0 in 90 games with a line this season.
• The Mariners have won two of the 10 games they were the moneyline underdog this season (20%).
• Seattle has played five times as a moneyline underdog with odds of -102 or longer, and lost each game.
• In the 93 games bookmakers have set an over/under for the Mariners, they have combined with opponents to go over the total 44 times (44-46-3).
• The Mariners have gone 34-59-0 against the spread this season.

Rays Player Leaders

• Junior Caminero leads Tampa Bay with 96 hits, batting .277 this season with 39 extra-base hits. He has an on-base percentage of .367 and a slugging percentage of .546.
• Among all qualified hitters in baseball, his batting average ranks 38th, his on-base percentage ranks 27th, and he is seventh in slugging.
• Yandy Diaz is slashing .326/.405/.498 this season and leads the Rays with an OPS of .904.
• Among qualifying batters, he ranks second in batting average, third in on-base percentage and 25th in slugging percentage.
• Diaz enters this game looking to extend his three-game hit streak. In his last five games he is hitting .350 with a double, a home run and two RBIs.
• Jonathan Aranda is batting .287 with a .448 slugging percentage and 61 RBI this year.
• Aranda has recorded at least one base hit in two straight games. During his last five outings he is batting .278 with a double, two walks and three RBIs.
• Chandler Simpson is batting .277 with a .314 OBP and 16 RBI for Tampa Bay this season.
• Simpson has hit safely in two games in a row. During his last five outings he is batting .263 with two triples.

Mariners Player Leaders

• Randy Arozarena has an on-base percentage of .380, a slugging percentage of .455, and has 90 hits, all club-bests for the Mariners (while batting .287).
• Including all the qualified players in MLB, his batting average is 25th, his on-base percentage ranks 17th, and he is 58th in slugging.
• Josh Naylor is batting .251 with 11 doubles, eight home runs and 28 walks. He's slugging .353 with an on-base percentage of .312.
• Including all qualified players, he is 86th in batting average, 112th in on-base percentage and 128th in slugging percentage.
• Cole Young is hitting .252 with 13 doubles, a triple, 10 home runs and 25 walks.
• Dominic Canzone is hitting .269 with 13 doubles, a triple, 15 home runs and 22 walks.

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