The Detroit Tigers and the Seattle Mariners link up in Game 3 of the ALDS on Tuesday afternoon. These teams have gone back and forth thus far, with the series tied 1-1. On Sunday, the Mariners defeated the Tigers 3-2. Logan Gilbert (6-6, 3.44 ERA) takes the mound for Seattle, and Jack Flaherty (8-15, 4.64 ERA) counters with the Tigers. The Mariners went 4-2 versus the Tigers in the regular season.
First pitch from Comerica Park in Detroit is set for 4:08 p.m. ET. Seattle is a -136 favorite on the money line (risk $136 to win $100) in the latest Mariners vs. Tigers odds from DraftKings Sportsbook, with the Tigers as +115 underdogs. The total number of runs Vegas thinks will be scored, or the over/under, is 8. Before making any Tigers vs. Mariners picks, be sure to see the MLB predictions and betting advice from SportsLine’s proven computer model.
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The SportsLine Projection Model simulates every MLB game 10,000 times. It enters the second week of the 2025 MLB playoffs a profitable 35-29 on top-rated MLB money-line picks this season. It has excelled making home run prop picks this season, returning nearly 30 units of profit. Anybody following its MLB betting picks at sportsbooks and on betting sites could have seen strong returns.
Now, the model has set its sights on Mariners vs. Tigers and just locked in its picks and MLB predictions. You can head to SportsLine now to see the model’s picks. Here are several MLB odds and betting lines for Tigers vs. Mariners:
Mariners vs. Tigers money line
Detroit +115, Seattle -136 at DraftKings Sportsbook
Mariners vs. Tigers over/under
8 runs
Mariners vs. Tigers run line
Seattle -1.5 (+130)
Mariners vs. Tigers picks
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Why the Mariners can win
Center fielder Julio Rodriguez has been consistent for the Mariners this series. He’s leading the team in batting average (.444), RBI (3), and hits (4) in two games. In Game 1, Rodriguez went 3-of-5 with a home run and two runs driven in.
Second baseman Jorge Polanco is coming off a stellar performance, where he went 3-of-4 with two solo home runs. During the regular season, Polanco had 26 home runs and 78 RBI. The Mariners have gone 66-51 as the favorite and 51-39 after a win. See which team to back at SportsLine.
Why the Tigers can win
During the regular season, left fielder Riley Greene was tied for 10th in the MLB in home runs (36) and seventh in RBI (111). He’s kept the play up this postseason, as he’s batting .300, with six hits, two doubles, and three runs scored. In Game 1 versus Seattle, Greene went 2-of-5 with two base hits.
Center fielder Javier Baez goes into this game leading the team in batting average (.316) and hits (6) this postseason. The 32-year-old has logged a hit in four of the five games. Detroit enters this contest 15-5 with one day of rest and 46-35 as the home team. See which team to back at SportsLine.
How to make Mariners vs. Tigers picks
SportsLine’s model is leaning Over on the total, projecting 8.4 runs, and it says one side of the money line has all the value. You can head to SportsLine to see the model’s MLB picks.
So who wins Mariners vs. Tigers, and which side of the money line has all the value? Visit SportsLine now to see which side you need to jump on, all from the model that has crushed its MLB picks, and find out.
