Detroit Tigers vs Seattle Mariners Picks and Prediction for Tuesday August 4 2026

The Detroit Tigers will visit the Seattle Mariners at T-Mobile Park in Seattle, Washington, on Tuesday, August 4, 2026. The opening pitch is scheduled for 9:40 p.m. ET, with television coverage available through Detroit SportsNet and Mariners.TV. At the time of this writing the odds were not released. Readers looking for additional betting analysis across Tuesday’s schedule can also check out our free MLB picks.

Starting Pitchers

Casey Mize is expected to start for Detroit with a 4-6 record and a 2.70 ERA. The right-hander’s record does not reflect the quality of his run prevention, and his performance gives the Tigers a dependable option after trading away the former leader of their rotation. Seattle is expected to counter with Emerson Hancock, who enters at 6-5 with a 3.26 ERA. Both projected starters carry encouraging numbers, but Mize’s lower ERA gives Detroit a modest statistical advantage in the opening matchup.

Detroit Brings a Red-Hot Offense to Seattle

The Tigers enter Tuesday with a 54-58 overall record, including a 24-31 mark away from home. Detroit swept the Athletics over the weekend and finished the series with an 11-0 victory Sunday. The Tigers scored 32 runs across the three-game sweep and extended their streak of scoring at least eight runs to five consecutive games, matching a franchise accomplishment last achieved in 1996.

Detroit is batting .242 with 505 runs, 912 hits, and 138 home runs. The Tigers have recorded a .318 on-base percentage and a .409 slugging percentage. Those figures give Detroit noticeable offensive advantages over Seattle in batting average, runs, hits, on-base percentage, and slugging percentage. The Tigers have also received exceptional work from their pitching staff, which owns a 3.59 ERA and a 1.21 WHIP.

The primary question is whether Detroit can maintain its offensive momentum against a considerably stronger pitching staff than it encountered in Sacramento. The Tigers scored 46 runs during their final five games before Monday, but their 24-31 road record demonstrates that they have not consistently carried their best form away from home. Mize’s 2.70 ERA should give Detroit an opportunity to remain competitive even if the lineup experiences some regression after its explosive weekend.

Seattle Looks to Turn Walk-Off Victories into a Longer Run

The Mariners enter Tuesday with a 55-58 overall record and a 32-24 mark at T-Mobile Park. Seattle lost the opening game of its weekend series against Minnesota by a 5-3 score before earning consecutive walk-off victories. The Mariners won 4-3 Saturday and 7-6 Sunday, scoring twice during the ninth inning of the finale to complete the comeback. Those victories moved Seattle one game ahead of Detroit in the standings.

Seattle is batting .230 as a team with 454 runs, 863 hits, and 132 home runs. The Mariners have produced a .310 on-base percentage and a .378 slugging percentage. Their offence trails Detroit in every one of those categories, including a difference of 51 runs. However, Seattle’s pitching staff has recorded a 3.74 ERA and an impressive 1.19 WHIP, giving the club a dependable foundation despite its limited offensive production.

The Mariners’ strongest advantage is their home record. Seattle is eight games above .500 at T-Mobile Park but 11 games below .500 on the road. Hancock’s 3.26 ERA should help the Mariners control Detroit’s powerful lineup more effectively than the Athletics managed over the weekend. Seattle must still generate enough offense against Mize, and that could be difficult for a lineup ranked near the bottom of the league in several major categories.

Detroit Tigers vs Seattle Mariners Picks and Prediction

Pick:

• Detroit Tigers +1.5

I am taking Detroit on the run line because the Tigers possess the stronger offensive profile and the lower-ERA starting pitcher. Mize enters with a 2.70 ERA, while Hancock carries a still-respectable 3.26 mark. Seattle has the better home record and has won consecutive games, but the Mariners have scored 51 fewer runs than Detroit this season. The Tigers have also scored at least eight runs in five consecutive contests. Detroit +1.5 provides protection against Seattle’s tendency to play close games while still backing the more productive lineup.

Pick:

• Under 7.5

I am leaning under if the total is set at 7.5 runs. Detroit’s recent offensive numbers make this uncomfortable, but Mize and Hancock both carry ERAs below 3.30. Seattle’s offence has averaged approximately four runs per game and owns a .378 slugging percentage, giving Mize a favourable opportunity to control the home lineup. The Mariners also possess a strong pitching staff and should provide Hancock with capable bullpen support. Detroit’s scoring streak will eventually cool, and T-Mobile Park presents a much different assignment than the Athletics’ pitching staff. Under 7.5 is playable, although a reduction to 6.5 would leave insufficient margin.

This game preview was written before game play on Monday.