Mariners vs Rays Prediction, Odds, Moneyline, Spread & Over/Under for Aug. 7

Odds updated as of 9:11 p.m.

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

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

Mariners vs Rays Game Info

• Seattle Mariners (56-60) vs. Tampa Bay Rays (68-46)
• Date: Friday, August 7, 2026
• Time: 9:45 p.m. ET
• Venue: T-Mobile Park -- Seattle, Washington
• Coverage: Apple TV+

Mariners vs Rays Odds & Moneyline

• All MLB odds, betting lines and prop bets are available on FanDuel Sportsbook.
• Moneyline: SEA: (-112) | TB: (+102)
• Spread: SEA: +1.5 (-230) | TB: -1.5 (+188)
• Total: 6.5 -- Over: (-122) | Under: (+100)

Mariners vs Rays Probable Starting Pitchers

Probable Pitchers: Logan Gilbert (Mariners) - 8-6, 3.46 ERA vs Drew Rasmussen (Rays) - 10-5, 2.91 ERA

The Mariners will give the nod to Logan Gilbert (8-6, 3.46 ERA), who is eyeing win No. 9 on the season, and the Rays will turn to Drew Rasmussen (10-5, 2.91 ERA). Gilbert's team is 10-12-0 against the spread this season in his starts. Gilbert's team has won 72.2% of his starts when they are favored on the moneyline (13-5). The Rays are 10-10-0 against the spread when Rasmussen starts. The Rays have been the underdog on the moneyline in seven of Rasmussen's starts this season, and they went 3-4 in those games.

Mariners vs Rays Prediction & Pick

All MLB win probability predictions and picks are according to numberFire.
Prediction: Rays win (50.4%)

Mariners vs Rays Moneyline

• Looking at the moneyline for Mariners-Rays, Seattle is the favorite at -112, and Tampa Bay is +102 playing on the road.

Mariners vs Rays Spread

• The Rays are 1.5-run favorites against the spread for this matchup with the Mariners. The Rays are +188 to cover, while the Mariners are -230 to cover as a 1.5-run underdog on the runline.

Mariners vs Rays Over/Under

• A combined run total of 6.5 has been set for Mariners-Rays on Aug. 7, with the over at -122 and the under at +100.

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Mariners vs Rays Betting Trends

• The Mariners have been chosen as favorites in 96 games this year and have walked away with the win 49 times (51%) in those games.
• This season Seattle has been victorious 49 times in 95 chances when named as a favorite of at least -112 on the moneyline.
• The Mariners and their opponents have gone over the total this season in 57 of their 115 opportunities.
• The Mariners are 40-75-0 against the spread in their 115 games with a line set by sportsbooks this season.
• The Rays are 16-18 in games they were listed as the moneyline underdog (winning 47.1% of those games).
• Tampa Bay has gone 10-11 when it has played as a moneyline underdog with odds of +102 or longer (47.6%).
• The Rays have had an over/under set by oddsmakers 112 times, and have combined with opponents to go over the total in 51 of those games (51-59-2).
• The Rays have gone 65-47-0 against the spread this season.

Mariners Player Leaders

• Randy Arozarena has 113 hits to go with a slugging percentage of .456, both of which are tops among Seattle hitters this season. He has a .285 batting average and an on-base percentage of .379.
• Among all qualified batters in baseball, he is 23rd in batting average, 13th in on-base percentage, and 49th in slugging.
• Arozarena has recorded a base hit in five games in a row. In his last five games he is batting .368 with two doubles, a home run, three walks and an RBI.
• Cole Young has 15 doubles, three triples, 14 home runs and 31 walks. He's batting .263 and slugging .412 with an on-base percentage of .323.
• He is 59th in batting average, 85th in on-base percentage and 87th in slugging in the major leagues.
• Julio Rodriguez has collected 106 base hits, an OBP of .322 and a slugging percentage of .421 this season.
• Rodriguez has recorded at least one base hit in six straight games. During his last 10 outings he is batting .297 with two home runs, five walks and six RBIs.
• Josh Naylor is batting .260 with a .323 OBP and 40 RBI for Seattle this season.

Rays Player Leaders

• Junior Caminero leads the Rays with 123 hits. He's batting .284 and slugging .559 with an on-base percentage of .373.
• Including all qualified hitters in MLB, his batting average places him 26th, his on-base percentage is 17th, and he is third in slugging.
• Caminero takes a four-game hitting streak into this matchup. During his last five outings he is batting .333 with three home runs, a walk and five RBIs.
• Yandy Diaz's .458 slugging percentage paces his team. He has a batting average of .300 with an on-base percentage of .373.
• Including all qualifying players, his batting average places him eighth, his on-base percentage is 17th, and he is 44th in slugging.
• Liam Hicks is batting .282 with 10 doubles, a triple, 15 home runs and 42 walks.
• Jonathan Aranda's .374 on-base percentage leads his team.

Mariners vs Rays Head to Head

• 7/12/2026: 8-2 SEA (Favorite: Rays, Spread: -1.5, Total: 7.5, Favorite Moneyline: -142, Underdog Moneyline: +120)
• 7/11/2026: 6-1 TB (Favorite: Rays, Spread: -1.5, Total: 7, Favorite Moneyline: -110, Underdog Moneyline: -106)
• 7/10/2026: 7-2 TB (Favorite: Rays, Spread: -1.5, Total: 8.5, Favorite Moneyline: -120, Underdog Moneyline: +102)
• 9/3/2025: 9-4 TB (Favorite: Mariners, Spread: -1.5, Total: 8.5, Favorite Moneyline: -130, Underdog Moneyline: +110)
• 9/2/2025: 6-5 TB (Favorite: Mariners, Spread: -1.5, Total: 7.5, Favorite Moneyline: -118, Underdog Moneyline: -100)
• 9/1/2025: 10-2 TB (Favorite: Mariners, Spread: -1.5, Total: 8.5, Favorite Moneyline: -110, Underdog Moneyline: -106)
• 8/10/2025: 6-3 SEA (Favorite: Mariners, Spread: -1.5, Total: 7.5, Favorite Moneyline: -180, Underdog Moneyline: +152)
• 8/9/2025: 7-4 SEA (Favorite: Mariners, Spread: -1.5, Total: 7.5, Favorite Moneyline: -142, Underdog Moneyline: +120)
• 8/8/2025: 3-2 SEA (Favorite: Mariners, Spread: -1.5, Total: 7, Favorite Moneyline: -130, Underdog Moneyline: +110)
• 8/28/2024: 6-2 SEA (Favorite: Mariners, Spread: -1.5, Total: 7, Favorite Moneyline: -158, Underdog Moneyline: +134)

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