Saturday's game between the Tampa Bay Rays (86-56) and the Seattle Mariners (79-62) at Tropicana Field is expected to be a close matchup, as our computer prediction projects a final score of 5-4, with the Rays taking home the win. Game time is at 4:05 PM ET on September 9.

This contest's pitching matchup is set, as the Rays will send Aaron Civale (7-3) to the mound, while Trent Thornton (0-1) will take the ball for the Mariners.

Rays vs. Mariners Game Info & Odds

  • When: Saturday, September 9, 2023 at 4:05 PM ET
  • Where: Tropicana Field in St. Petersburg, Florida
  • How to Watch on TV: Fox Sports 1
  • Live Stream: Watch this game on Fubo!

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Rays vs. Mariners Score Prediction

Our prediction for this contest is Rays 5, Mariners 4.

Total Prediction for Rays vs. Mariners

  • Total Prediction: Under 8.5 runs

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Read More About This Game

Rays Performance Insights

  • The Rays have played as the favorite in seven of their past 10 games and have gone 4-3 in those contests.
  • In its last 10 games with a total, Tampa Bay and its opponents have combined to hit the over five times.
  • Oddsmakers have not set a spread for any of the Rays' last 10 games.
  • The Rays have won 74, or 65.5%, of the 113 games they've played as favorites this season.
  • Tampa Bay is 50-18 this season when entering a game favored by -155 or more on the moneyline.
  • Sportsbooks have implied with the moneyline set for this matchup that the Rays have a 60.8% chance to win.
  • Tampa Bay has scored 753 runs this season, which ranks fourth in MLB.
  • The Rays' 3.78 team ERA ranks third across all league pitching staffs.

Mariners Performance Insights

  • The Mariners are underdogs for the first time in a while, as they have not been listed as underdogs in their last 10 games.
  • In its previous 10 matchups with a total posted by oddsmakers, Seattle and its foes are 5-4-1 when it comes to hitting the over.
  • The Mariners have not covered the spread in any of their previous 10 matchups (one of those games had a spread).
  • The Mariners have been underdogs in 39 games this season and have come away with the win 20 times (51.3%) in those contests.
  • Seattle has a win-loss record of 5-4 when favored by +125 or worse by oddsmakers this year.
  • The moneyline set for this matchup implies the Mariners have a 44.4% chance of walking away with the win.
  • Seattle scores the 11th-most runs in baseball (674 total, 4.8 per game).
  • Mariners pitchers have a combined ERA of 3.74 ERA this year, first-best in baseball.

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Rays Schedule

Date Opponent Score Pitching Matchup
September 4 Red Sox L 7-3 Aaron Civale vs Brayan Bello
September 5 Red Sox W 8-6 Zach Eflin vs Kutter Crawford
September 6 Red Sox W 3-1 Tyler Glasnow vs Nick Pivetta
September 7 Mariners L 1-0 Zack Littell vs Luis Castillo
September 8 Mariners W 7-4 Taj Bradley vs George Kirby
September 9 Mariners - Aaron Civale vs Trent Thornton
September 10 Mariners - Zach Eflin vs Bryce Miller
September 11 @ Twins - TBA vs TBA
September 12 @ Twins - Zack Littell vs Joe Ryan
September 13 @ Twins - Taj Bradley vs Dallas Keuchel
September 14 @ Orioles - Aaron Civale vs Jack Flaherty

Mariners Schedule

Date Opponent Score Pitching Matchup
September 4 @ Reds L 6-3 Bryan Woo vs Tejay Antone
September 5 @ Reds L 7-6 Bryce Miller vs Connor Phillips
September 6 @ Reds W 8-4 Logan Gilbert vs Lyon Richardson
September 7 @ Rays W 1-0 Luis Castillo vs Zack Littell
September 8 @ Rays L 7-4 George Kirby vs Taj Bradley
September 9 @ Rays - Trent Thornton vs Aaron Civale
September 10 @ Rays - Bryce Miller vs Zach Eflin
September 11 Angels - Logan Gilbert vs Reid Detmers
September 12 Angels - Luis Castillo vs Patrick Sandoval
September 13 Angels - George Kirby vs Tyler Anderson
September 15 Dodgers - Bryan Woo vs Bobby Miller