Mariners vs. Rays Prediction, Odds, Picks - September 3

Jorge Polanco and Josh Lowe will look to continue their recent offensive production when the Seattle Mariners and Tampa Bay Rays square off at George M. Steinbrenner Field on Wednesday, at 7:35 p.m. ET. The Mariners are favored in this one, at -129, while the underdog Rays have +109 odds to play spoiler. Seattle (-1.5) is favored on the run line. The over/under is 8.5 runs for the game.

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 Highlights | MLB on FOX

Check out the best moments between the Seattle Mariners and the Tampa Bay Rays.

Mariners vs. Rays Game Information & Odds

• When: Wednesday, September 3, 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 4, Mariners 3
• Total Prediction: Under 8.5 runs
• Win Probabilities: Mariners 55%, Rays 45%

Mariners vs. Rays Betting Insights

• The Mariners have entered the game as favorites 96 times this season and won 52, or 54.2%, of those games.
• Seattle is 40-28 this season when entering a game favored by -129 or more on the moneyline.
• The implied probability of a win from the Mariners, based on the moneyline, is 56.3%.
• The Rays have been underdogs in 69 games this season and have come away with the win 28 times (40.6%) in those contests.
• Tampa Bay has a mark of 16-19 in contests where sportsbooks favor it by +109 or worse on the moneyline.
• The moneyline set for this matchup implies the Rays have a 47.8% chance of coming away with a victory in the contest.

Mariners Recent Betting Performance

• The Mariners were the moneyline favorite for nine of their last 10 games, and they went 4-5 in those matchups.
• Over their last 10 outings, the Mariners and their opponents combined to hit the over six times (all 10 of the games had set totals).
• The Mariners' record against the spread is 4-6-0 over their past 10 games.

Mariners Recent Stats

Mariners Player Insights

• Cal Raleigh has accumulated a team-best 51 home runs and 108 runs batted in.
• Among all MLB hitters, Raleigh is 119th in batting average, 40th in on-base percentage, and third in slugging.
• Raleigh takes a hitting streak of two games into this matchup. During his last five outings he is hitting .188 with a home run, four walks and an RBI.
• Julio Rodriguez is hitting .264 with 24 doubles, four triples, 27 home runs and 34 walks.
• Of all major league hitters, Rodriguez is 22nd in homers and 26th in RBI.
• Eugenio Suarez is hitting .238 with 25 doubles, 42 home runs and 38 walks.
• Suarez has at least one base hit in three games in a row. During his last five outings he is hitting .263 with two doubles, a walk and an RBI.
• Josh Naylor has a club-leading .281 batting average.

Mariners Team Props

Rays Recent Betting Performance

• In three games as underdogs over the last 10 matchups, the Rays have a record of 2-1.
• In their last 10 games with a total, the Rays and their opponents have combined to hit the over five times.
• Over their last 10 games, the Rays are 8-2-0 against the spread.

Rays Recent Stats

Rays Player Insights

• Junior Caminero has managed a team-leading 40 home runs and has driven in 100 runs.
• Caminero is sixth in homers and sixth in RBI among all hitters in the big leagues.
• Yandy Diaz is batting .287 to lead the lineup.
• Diaz is 48th in home runs and 37th in RBI among all hitters in the majors.
• Brandon Lowe is batting .265 with 15 doubles, 28 home runs and 35 walks.
• Chandler Simpson has 11 doubles, three triples and 18 walks while hitting .289.

Rays Team Props

Mariners vs. Rays Highlights | MLB on FOX

Check out the best moments between the Seattle Mariners and the Tampa Bay Rays.

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

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