Mariners vs. Rays Prediction, Odds, Picks - August 8

Junior Caminero and Randy Arozarena will hit the field when the Tampa Bay Rays and Seattle Mariners meet on Friday at T-Mobile Park. The favored Mariners have -129 moneyline odds to win against the underdog Rays, who are listed at +108. Seattle is favored on the run line (-1.5). The over/under is 7 runs for this contest.

Here is everything you need to know 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: Friday, August 8, 2025 at 9:40 p.m. ET
• Where: T-Mobile Park in Seattle, Washington
• How to watch on TV: ROOT Sports NW and FDSSUN

Mariners vs. Rays Prediction

• Score Prediction: Mariners 5, Rays 4
• Total Prediction: Over 7 runs
• Win Probabilities: Mariners 53%, Rays 47%

Mariners vs. Rays Betting Insights

• The Mariners have been favorites in 78 games this season and won 43 (55.1%) of those contests.
• Seattle is 33-23 this season when entering a game favored by -129 or more on the moneyline.
• The moneyline for this contest implies a 56.3% chance of a victory for the Mariners.
• The Rays have been victorious in 24, or 42.1%, of the 57 contests they have been chosen as underdogs in this season.
• Tampa Bay has a mark of 17-16 in contests where sportsbooks favor it by +108 or worse on the moneyline.
• The moneyline set for this matchup implies the Rays have a 48.1% chance of coming away with a victory in the contest.

Mariners Recent Betting Performance

• The Mariners played as the moneyline favorite for nine of their last 10 games, and they went 6-3 in those matchups.
• In their last 10 outings -- all had a set run total -- the Mariners and their opponents combined to hit the over on the total four times.
• The Mariners' ATS record is 5-5-0 over their past 10 games.

Mariners Recent Stats

Mariners Player Insights

• The Mariners' best power option comes in the form of Cal Raleigh and his 42-dinger 90-RBI season, both team highs.
• Among all hitters in MLB, Raleigh is first in home runs and third in RBI.
• Josh Naylor's .289 batting average leads his team.
• Naylor ranks 93rd in homers in the majors, and 32nd in RBI.
• Eugenio Suarez has racked up a team-high 90 runs batted in.
• Julio Rodriguez is batting .254 with 19 doubles, three triples, 21 home runs and 31 walks.
• Rodriguez has recorded at least one hit in five straight games. During his last five outings he is batting .318 with a double, two home runs, a walk and six RBIs.

Mariners Team Props

Rays Recent Betting Performance

• The Rays have played as underdogs in eight of their past 10 games and won three of those contests.
• In their last 10 games with a total, the Rays and their opponents have combined to hit the over three times.
• The Rays have four wins against the spread in their last 10 chances.

Rays Recent Stats

Rays Player Insights

• Yandy Diaz is batting .279 with 20 doubles, a triple, 20 home runs and 37 walks, while getting on base at a rate of .340.
• Among all hitters in MLB, Diaz is 31st in home runs and 26th in RBI.
• Caminero has been a reliable source of runs this year, leading the lineup with 30 home runs and 76 runs batted in.
• Caminero is sixth in homers and 12th in RBI among all major league hitters this year.
• Brandon Lowe is hitting .274 with 12 doubles, 20 home runs and 26 walks.
• Chandler Simpson has nine doubles, a triple and 13 walks while batting .293.

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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