Tampa Bay Rays vs Seattle Mariners Picks and Predictions for Sunday, August 9th, 2026
Rays vs Mariners Game Information
The Tampa Bay Rays continue their road trip out West Sunday afternoon with a 4:10 PM matchup in Seattle, WA, against the Seattle Mariners. Tampa Bay is 24 games above .500 this season, currently the top team in the American League East, riding a long winning streak after taking both games in this series thus far. The Seattle Mariners stay home Sunday, 6 games below .500, currently third in the American League West, having dropped 4 of the last 5, including 3 in a row. Stay up to date with our MLB Picks.
Rays Preview
Casey Legumina got the start on Saturday for Tampa Bay, giving up no runs on 1 hit after recording 4 outs. The Tampa Bay bullpen gave up 1 run on 3 hits over the next 2.2 innings of work before Steven Matz came on to complete 2 shutout innings to pick up the victory. Richie Palacios led the Tampa Bay offense with 2 hits in 3 at-bats to drive in 2 runs.
Mariners Preview
George Kirby got the nod Saturday for Seattle, giving up 1 run on 4 hits across 5 innings, resulting in a no-decision. Michael Rucker came on in relief, giving up 2 runs on 2 hits across 1 inning, leading to the loss. Josh Naylor was the only action for the Seattle lineup on Saturday with 3 hits to drive in 2 runs after a home run in the 2nd and 7th innings.
Rays vs Mariners Pitching Matchup
Ian Seymour will get the ball Sunday for the Rays. Seymour is 8-3 this year with a 4.27 ERA across 84.1 innings. Emerson Hancock will take the mound for Seattle in the final game of this set. Hancock is 6-6 with a 3.3 ERA across 116.1 innings.
Sign Up Get $30 Premium Picks Credit + Exclusive Offers
Subscribe Now
Rays vs Mariners Pick
The Rays are having the better year heading into Sunday and will have the offensive edge to counter Seattle's pitching on Sunday. Take the Rays to wrap their trip in Seattle with a win as they further their lead in the AL East.
- Pick: Tampa Bay Rays
- Secondary: Under
- Lean: Junior Caminero Over 1.5 Bases
Final Score Prediction: Tampa Bay Rays win 5-2.
Game Written Before completion of the game on Saturday.
Never Tried Picks and Parlays? Now Is Your Chance
- Get your first daily picks package for ONLY $1 using coupon code BUCK
- If the pick loses, we credit your account with 3 Flex Picks
- If the pick wins, we still give you 1 Flex Pick on the house
- Win or lose, you walk away ahead. One dollar. No catch.
Up To $1500 in Bonus Bets Paid Back if your First Bet Does Not Win
New Users – Bet $5 Get $200 in Bet Reset Tokens for 5 Days
New DraftKings Customers: Spend $5+ Get $150 in Bonus Bets *Paid Within 14 Days

