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  1. Home
  2. MLB Picks
  3. Tampa Bay Rays vs Seattle Mariners
Fri 9:40 PM ET
Tampa Bay Rays logo
Tampa Bay
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D. Rasmussen RHP
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Tampa Bay Rays vs Seattle Mariners Betting Picks & Predictions

Game time: August 8, 2025 at 9:40 PM ET

Venue: T-Mobile Park — Seattle, Washington

Article updated Aug 8, 11:48 PM EDT

Published by SportsJaw Editorial Team

In an exciting matchup between the Tampa Bay Rays and the Seattle Mariners, both teams are vying for a wild card position in the American League. The Rays, with a record of

Game outlook

In an exciting matchup between the Tampa Bay Rays and the Seattle Mariners, both teams are vying for a wild card position in the American League. The Rays, with a record of 98-64, are making a push for a wild card spot with recent back-to-back wins. The Mariners, at 63-53, currently hold a wild card spot after securing four consecutive victories. For a prediction on who will come out on top in this game, be sure to check out our Rays vs Mariners preview. Stay ahead in the game with our expert MLB Betting Picks to maximize your winnings.

Betting Odds

Moneyline: Rays +112 | Mariners -125

Spread: Rays +1.5 (-200) | Mariners -1.5 (+170)

Total: Over/Under 7 (-110)

Based on the moneyline, the implied probability that Seattle will win straight-up is 56%.

Tampa Bay Rays

The Tampa Bay Rays are currently at the .500 mark and looking to make a push for the postseason. Drew Rasmussen is set to start the upcoming game and has had a strong season, allowing only 33 runs in 105 innings pitched and striking out 93 batters. His low expected opponent Slugging Percentage, Barrel Percentage, and expected ERA indicate that opponents are struggling to make solid contact and drive in runs against him. The rest of the lineup has also been performing well, with players like Jonathan Aranda, Brandon Lowe, Yandy Diaz, Junior Caminero, and Danny Jensen contributing with strong offensive numbers. Overall, the Rays are proving to be a challenging team for opponents to face.

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MLB · Tampa Bay Rays at Seattle Mariners

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Seattle Mariners

The Mariners are having a successful season and are looking to make a push for the division in the second half. Despite struggles on the mound from Luis Castillo, who has allowed 52 runs in 131 innings pitched with a high expected opponent Slugging Percentage, opponents have been able to make hard contact and score against him. However, the lineup has been strong, scoring 4.58 runs per game and carrying the team. Players like Cal Raleigh, Dominic Canzone, Randy Arozarena, Jorge Polanco, and Julio Rodriguez have all contributed with impressive offensive stats, adding depth and power to the batting order.

Seattle Mariners favored to win upcoming game against Tampa Bay Rays with strong lineup and pitching staff

The Tampa Bay Rays have recently achieved consecutive victories; however, the Seattle Mariners are poised for success this season. I anticipate the Mariners dominating this upcoming game starting from the first inning. With an impressive average of 4.58 runs per game, the Mariners should be able to consistently drive in runs, especially with key players like Cal Raleigh and Randy Arozarena stepping up in the batting order. Strong pitching from Luis Castillo will likely suppress the Rays' offensive capabilities, allowing the Mariners to secure a victory. Considering these factors, it is recommended to consider betting on the Mariners money line as they have a favorable position as the home team.

SportsJawGame Predictions
Predicted score

Unavailable for this preview

Projected winnerUnavailableConfidencelow
Pick on the Spread

Published pick: Unavailable

Pick on the Total

Published pick: Unavailable

#TampaBayRays#SeattleMariners

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Written by

SportsJaw Editorial Team

SportsJaw published this archived preview from its original game-day article. Its prediction and quoted lines are preserved as written.

About our editorial process

SportsJaw Rays vs Mariners archived game preview contains historical odds and availability that may no longer be current. View history of past Rays vs Mariners matchups or learn how our predictions work.

Current matchup data

Lines, trends and availability

Line movement since open

  • Moneyline · Tampa Bay Rays+113 → +110Moved
  • Moneyline · Seattle Mariners-129 → -128Moved
  • Spread · Tampa Bay Rays+1.5 (-182) → +1.5 (-200)Moved
  • Spread · Seattle Mariners-1.5 (+150) → -1.5 (+170)Moved
  • Total · Over7.5 (-110) → 7 (-110)Moved
  • Total · Under7.5 (-110) → 7 (-110)Moved

ATS and O/U trends

Tampa Bay Rays
98-64 matchup record · 5-5-0 ATS · 3-5-2 O/U
Last 10 completed games on file
Seattle Mariners
76-86 matchup record · 5-5-0 ATS · 4-5-1 O/U
Last 10 completed games on file

Injuries and availability

From the published research (2025-08-09T03:48:19.459Z). Availability may have changed; review the cited sources.

No verified injury or availability note was included in the published matchup research.

Recent head-to-head

No completed head-to-head result is available in the current history window.

Final result

Matchup pick recap

Seattle Mariners defeated Tampa Bay Rays 3-2

Seattle Mariners defeated Tampa Bay Rays 3-2 on August 8, 2025, a 1-run decision in the series. Seattle Mariners' strongest period was the 8th inning, when it outscored its opponent 3-0. Against SportsJaw's recorded Tampa Bay Rays +1.5 (-200) spread, Tampa Bay Rays covered, while the 5 combined runs finished under the recorded total of 7.

SportsJaw editorial picks

  • Projected winnerNo published selectionUnavailable

Tipster picks

No graded public tipster picks were recorded for this matchup.