Tampa Bay Rays vs Seattle Mariners Picks and Prediction for Saturday August 8 2026

The Tampa Bay Rays visit the Seattle Mariners on Saturday at 9:50 PM ET at T-Mobile Park. Tampa Bay is 68-46, first in the AL East, and has won three straight after completing a three-game sweep at Colorado with Wednesday's 4-0 victory. Seattle is 56-60, third in the AL West and three games behind Houston, after an 11-0 loss to Detroit on Thursday. The Mariners have won three of their last five, while Tampa Bay has taken four of five. The Rays lead the season series 2-1. Cash in a winner with our free MLB picks.

Tampa Bay Rays Riding Three-Game Winning Streak

Tampa Bay ranks second in MLB with a .258 batting average and has scored 510 runs with 116 home runs, a .329 on-base percentage, and .403 slugging percentage. Junior Caminero has been the biggest power threat, batting .284 with 33 home runs, 71 RBIs, and a .932 OPS. Yandy Diaz leads the Rays with a .300 average and 127 hits, while Jonathan Aranda is batting .285 with 14 homers, 71 RBIs, and a .374 on-base percentage. Tampa Bay scored 26 runs during its three-game sweep of Colorado.

The Rays rank sixth in MLB pitching with a 3.74 ERA and 1.15 WHIP, while opponents are batting .230. Tampa Bay has struck out 931 hitters, recorded 45 saves, and posted 11 shutouts. The staff finished its Colorado series with a shutout and has allowed no runs in two of the last five games. Tampa Bay has been particularly strong at night with a 43-23 record, although its 27-28 road mark shows the Rays have been much less consistent away from home.

Injuries: Ben Williamson (Day-To-Day), Cole Sulser (15-Day IL), Jonathan Heasley (60-Day IL), Gavin Lux (60-Day IL), Jake Fraley (60-Day IL).

Seattle Mariners Searching for Offensive Response

Seattle ranks 29th in MLB with a .230 batting average and has scored 458 runs with 134 home runs, a .310 on-base percentage, and .377 slugging percentage. Randy Arozarena leads the Mariners with a .285 average, .379 on-base percentage, and 113 hits while adding 14 homers and 20 stolen bases. Dominic Canzone has supplied a team-high 18 home runs, while Cole Young has 14 homers and a team-leading 51 RBIs. Seattle has been shut out twice in its last three games, including Thursday's 11-0 loss to Detroit.

Seattle ranks ninth in MLB pitching with a 3.77 ERA and 1.19 WHIP, with opponents batting .242. The Mariners have recorded 980 strikeouts, 26 saves, eight shutouts, and 53 quality starts. Seattle has allowed 30 runs over its last five games, with 19 coming in two losses to Detroit. The Mariners are 33-26 at T-Mobile Park, which has helped offset a losing overall record. Seattle has also struggled in night games, going 32-41 compared with Tampa Bay's 43-23 mark.

Injuries: Will Wilson (60-Day IL), Cooper Criswell (60-Day IL), J.P. Crawford (10-Day IL), Cole Wilcox (Out), Carlos Vargas (60-Day IL).

Pitching Matchup

Tampa Bay Rays – Griffin Jax

Jax enters 6-9 with a 3.63 ERA and 1.21 WHIP through 91.2 innings. The right-hander has allowed 81 hits and 30 walks while striking out 100 and surrendering 14 home runs. Jax's strikeout numbers stand out against a Seattle lineup that has struggled to generate consistent offense and ranks near the bottom of MLB in batting average.

Seattle Mariners – George Kirby

Kirby is 8-9 with a 3.76 ERA and 1.28 WHIP across 127 innings. He has allowed 136 hits but issued only 26 walks, recording 110 strikeouts and allowing 15 home runs. Kirby's control gives Seattle a chance to limit free baserunners, but Tampa Bay's .258 batting average and three productive hitters at the top of its statistical leaders present a difficult matchup.

Tampa Bay Rays vs Seattle Mariners Game Pick

• Tampa Bay Rays

Tampa Bay enters with the stronger recent form and has the better offensive numbers across the season. The Rays have won three straight while scoring 26 runs during that stretch, whereas Seattle has been shut out twice in its last three games. Jax also holds small advantages over Kirby in ERA and WHIP. Seattle's 33-26 home record deserves respect, but Tampa Bay's .258 batting average compared with Seattle's .230 mark creates an important gap. Back the Rays to continue their winning run Saturday night.

Tampa Bay Rays vs Seattle Mariners Over/Under Pick

• Under

Both starting pitchers carry ERAs below 3.80, and Seattle's recent offensive problems make the under the stronger choice. The Mariners have failed to score in two of their last three games and rank 29th in MLB with a .230 batting average. Jax has allowed only 81 hits through 91.2 innings, while Kirby has issued just 26 walks across 127 innings. Tampa Bay has scored heavily recently, but Seattle's stronger home setting and Kirby's control can slow that production enough to keep the combined score under the closing total.