Mariners vs. Rays Prediction, Odds, Picks - September 1

Julio Rodriguez and the Seattle Mariners will take the field against the Tampa Bay Rays and Brandon Lowe at George M. Steinbrenner Field on Monday at 7:35 p.m. ET. Oddsmakers list the Mariners as -110 moneyline favorites, while giving the underdog Rays -109 moneyline odds to win. Seattle is the favorite on the run line (-1.5 with +149 odds). The over/under for the game has been listed at 8.5 runs.

Here's everything you need from a betting perspective on the Mariners-Rays game, regarding the run line, moneyline and total, plus expert picks.

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Mariners vs. Rays Game Information & Odds

• When: Monday, September 1, 2025 at 7:35 p.m. ET
• Where: George M. Steinbrenner Field in Tampa, Florida
• How to watch on TV: FDSSUN and ROOT Sports NW

Mariners vs. Rays Prediction

• Score Prediction: Rays 5, Mariners 4
• Total Prediction: Over 8.5 runs
• Win Probabilities: Mariners 53%, Rays 47%

Mariners vs. Rays Betting Insights

• This season, the Mariners have been favored 95 times and won 52, or 54.7%, of those games.
• Seattle has entered 96 games this season favored by -110 or more and is 53-43 in those contests.
• Bookmakers have implied with the moneyline set for this matchup that the Mariners have a 52.4% chance to win.
• The Rays have won in 27, or 39.7%, of the 68 contests they have been named as odds-on underdogs this year.
• Tampa Bay has a mark of 25-40 in contests where bookmakers favor it by -109 or worse on the moneyline.
• The moneyline set for this matchup implies the Rays have a 52.2% chance of walking away with the win.

Mariners Recent Betting Performance

• The Mariners were favored on the moneyline in nine of their last 10 games, and they went 5-4 in those matchups.
• In their last 10 outings, the Mariners and their opponents combined to hit the over on the run total five times (all 10 games had set totals).
• The Mariners' ATS record is 4-6-0 over their past 10 games.

Mariners Recent Stats

Mariners Player Insights

• Cal Raleigh has gone yard 50 times in the 2025 campaign while driving in 107 runs, both totals that lead the Mariners.
• Among all hitters in MLB, Raleigh is first in homers and third in RBI.
• Rodriguez is batting .266 with 24 doubles, four triples, 26 home runs and 34 walks.
• Rodriguez ranks 25th in homers in MLB, and 26th in RBI.
• Rodriguez has seven straight games with at least one hit. During his last 10 games he is batting .368 with a double, two home runs, two walks and eight RBIs.
• Josh Naylor paces the Mariners with a .283 batting average.
• Eugenio Suarez has 23 doubles, 42 home runs and 38 walks while batting .236.

Mariners Team Props

Rays Recent Betting Performance

• In three games as underdogs over the last 10 matchups, the Rays have a record of 1-2.
• In their last 10 games with a total, the Rays and their opponents have failed to hit the over five times.
• The Rays are 6-4-0 ATS over their last 10 games.

Rays Recent Stats

Rays Player Insights

• Junior Caminero has managed a team-high 39 home runs and has driven in 94 runs.
• Among all hitters in MLB, Caminero's home run total ranks sixth and his RBI tally ranks seventh.
• Yandy Diaz has a club-best .284 batting average.
• Diaz is currently 45th in home runs and 40th in RBI in the big leagues.
• Lowe is hitting .264 with 13 doubles, 28 home runs and 34 walks.
• Chandler Simpson is batting .291 with 11 doubles, three triples and 18 walks.

Rays Team Props

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FOX Sports created this story using technology provided by Data Skrive and data from Sportradar.

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