Mariners vs Rays Prediction, Odds, Moneyline, Spread & Over/Under for September 8

Odds updated as of 4:00 PM

In MLB action on Friday, the Seattle Mariners take 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 (79-61) vs. Tampa Bay Rays (85-56)
• Date: Friday, September 8, 2023
• Time: 6:40 PM ET
• Venue: Tropicana Field -- St. Petersburg, Florida
• Coverage: BSSUN

Mariners vs Rays Odds & Moneyline

• All MLB odds, betting lines and prop bets are available on FanDuel Sportsbook.
• Moneyline: SEA: (-112) | TB: (-104)
• Spread: SEA: -1.5 (+146) | TB: +1.5 (-178)
• Total: 7.5 -- Over: (-122) | Under: (-100)

Mariners vs Rays Probable Starting Pitchers

Probable Pitchers: George Kirby (Mariners) - 10-9, 3.39 ERA vs Taj Bradley (Rays) - 5-7, 5.31 ERA

The Mariners will look to George Kirby (10-9) against the Rays and Bradley (5-7). Kirby's team is 12-15-0 against the spread this season in his starts. Kirby's team has won 57.1% of his starts when they are favored on the moneyline (12-9). The Rays have a 7-9-0 record against the spread in Bradley's starts. The Rays were the underdog on the moneyline for five Bradley starts this season -- they lost every time.

Mariners vs Rays Prediction & Pick

All MLB win probability predictions and picks are according to numberFire.
Prediction: Rays win (51.2%)

Mariners vs Rays Moneyline

• The Mariners vs Rays moneyline has Seattle as a -112 favorite, while Tampa Bay is a -104 underdog at home.

Mariners vs Rays Spread

• The Mariners are at the Rays and are favored by 1.5 runs (+146 to cover) on the runline. Tampa Bay is -178 to cover.

Mariners vs Rays Over/Under

• The Mariners-Rays contest on September 8 has been given an over/under of 7.5 runs. The over is set at -122 and the under at -100.

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Mariners vs Rays Betting Trends

• The Mariners have won in 55, or 57.9%, of the 95 contests they have been named as odds-on favorites in this year.
• Seattle has a record of 55-39 when favored by -112 or more this year.
• The Mariners' games have gone over the total in 70 of their 140 opportunities.
• The Mariners are 68-72-0 against the spread in their 140 games with a line set by sportsbooks this season.
• The Rays have won 10 of the 24 games they were listed as the moneyline underdog this season (41.7%).
• Tampa Bay has gone 8-14 when playing as a moneyline underdog with odds of -104 or longer (36.4%).
• The Rays have had an over/under set by oddsmakers 140 times, and have combined with opponents to go over the total in 73 of those games (73-62-5).
• The Rays have gone 76-64-0 against the spread this season.

Mariners Player Leaders

• Julio Rodriguez leads Seattle with 159 hits and a team-best slugging percentage of .487. He's batting .280 with an on-base percentage of .338.
• Among qualified batters in the majors, his batting average ranks 21st, his on-base percentage ranks 51st, and he is 26th in slugging.
• J.P. Crawford has 120 hits this season and a team-best OBP of .386. He's batting .269 and slugging .433.
• Among qualified hitters, his batting average ranks him 55th, his on-base percentage 10th, and his slugging percentage 82nd.
• Teoscar Hernandez is batting .271 with a .466 slugging percentage and 86 RBI this year.
• Hernandez has logged a hit or more in 16 games in a row. In his last 10 outings he is hitting .385 with a double, three home runs, two walks and 10 RBI.
• Ty France has been key for Seattle with 128 hits, an OBP of .343 plus a slugging percentage of .374.

Rays Player Leaders

• Yandy Diaz has accumulated 147 hits with a .397 on-base percentage and a .494 slugging percentage, all club-bests for the Rays. He's batting .317.
• Including all qualified players, he ranks sixth in batting average, while his on-base percentage is seventh and he is 21st in slugging.
• Randy Arozarena is hitting .257 with 15 doubles, two triples, 21 home runs and 72 walks. He's slugging .424 with an on-base percentage of .368.
• Including all qualifying hitters, his batting average puts him 83rd, his on-base percentage is 17th, and he is 86th in slugging.
• Isaac Paredes is hitting .249 with 20 doubles, 28 home runs and 47 walks.
• Josh Lowe is batting .283 with 24 doubles, two triples, 18 home runs and 25 walks.

Mariners vs. Rays Head to Head

• 9/7/2023: 1-0 SEA (Favorite: Rays, Spread: -1.5, Total: 8, Favorite Moneyline: N/A, Underdog Moneyline: N/A)
• 7/2/2023: 7-6 SEA (Favorite: Mariners, Spread: -1.5, Total: 7.5, Favorite Moneyline: -130, Underdog Moneyline: +110)
• 7/1/2023: 8-3 SEA (Favorite: Rays, Spread: -1.5, Total: 7, Favorite Moneyline: -118, Underdog Moneyline: -100)
• 6/30/2023: 15-4 TB (Favorite: Rays, Spread: -1.5, Total: 7.5, Favorite Moneyline: -134, Underdog Moneyline: +114)
• 5/8/2022: 2-1 SEA (Favorite: Mariners, Spread: -1.5, Total: 7.5, Favorite Moneyline: -118, Underdog Moneyline: -100)
• 5/7/2022: 8-2 TB (Favorite: Rays, Spread: -1.5, Total: 7.5, Favorite Moneyline: -136, Underdog Moneyline: +116)
• 5/6/2022: 8-7 TB (Favorite: Mariners, Spread: -1.5, Total: 7, Favorite Moneyline: -130, Underdog Moneyline: +110)
• 5/5/2022: 4-3 TB (Favorite: Rays, Spread: -1.5, Total: 7, Favorite Moneyline: -130, Underdog Moneyline: +110)
• 4/28/2022: 2-1 TB (Favorite: Rays, Spread: -1.5, Total: 8, Favorite Moneyline: -162, Underdog Moneyline: +136)
• 4/27/2022: 3-2 TB (Favorite: Rays, Spread: -1.5, Total: 7.5, Favorite Moneyline: -146, Underdog Moneyline: +124)

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