Free ALDS – Game 4 Pick: Mariners vs. Tigers Odds
Looking for Seattle Mariners vs. Detroit Tigers Free MLB predictions? MLB betting sees the Mariners taking on the Tigers on 10/8 at Comerica Park, in Detroit. Cappers Picks provides complimentary expert handicapping picks on all MLB baseball matchups all season long so stay tuned for more FREE daily MLB predictions like this Mariners Tigers free pick.
2025 MLB Handicapping – Seattle Mariners vs Detroit Tigers
ALDS – Game 4
(2-1) Seattle Mariners vs. Detroit Tigers (3-3)
Date: Oct 08, 2025
Time: 3:08 PM ET
Venue: Comerica Park in Detroit, MI
Projected Starting Pitchers: Bryce Miller vs. Casey Mize
MLB Moneyline Odds: Mariners -106 | Tigers -111 (Bet Now!)
Today’s MLB Run Line Betting Odds: Mariners -1.5 | Tigers +1.5
MLB Baseball Gambling Total: O/U: 8.5
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Mariners vs. Tigers Gameday
The Seattle Mariners enter Game 4 of the ALDS with a 2-1 series lead over the Detroit Tigers, setting up a high-stakes matchup at Comerica Park. Seattle’s offense has been the difference so far, and one more win would punch their ticket to the ALCS.
Detroit, however, isn’t ready to pack it in. With their season on the line, the Tigers must find a way to slow down Seattle’s power bats and extend the series to a decisive Game 5.
During the regular season, the Mariners went 90-72, backed by a strong 34-18 division record. Under Dan Wilson’s guidance, Seattle has thrived in tight spots, outscoring the Tigers by an average of 1.3 runs in their postseason meetings.
Meanwhile, the Tigers posted an 87-75 mark, just one game shy of the AL Central crown. A.J. Hinch’s club has been tough at home with a 46-35 record, but their pitching staff has struggled to contain the Mariners’ top-end hitters.
With clear skies and a light breeze expected, conditions should favor hitters in this one. Seattle’s momentum is undeniable after back-to-back wins, yet the Tigers have their backs to the wall — and that’s when teams can be most dangerous.
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It’s Game 4 — Seattle Mariners vs. Detroit Tigers — and Detroit’s postseason life hangs in the balance. Expect drama, nerves, and maybe a few fireworks.
Seattle Mariners vs. Detroit Tigers Odds & Last 5
To start, oddsmakers have this one tight. Detroit is a slim -111 favorite at home, while Seattle sits just behind at -106. The total is 8.5 runs, with the under slightly favored at -115.
Seattle’s recent form gives them the edge. They’ve won two of the first three games in this series, including a commanding 8-4 win on Tuesday that showcased their ability to pile on runs quickly. Their bats have been hot, and their bullpen has held firm when needed.
The Tigers, meanwhile, have struggled to keep up offensively. Even with home-field advantage, they’ve dropped all three games to the Mariners at Comerica this year, allowing an average of 11.7 runs per contest.
Given those numbers, Detroit needs its pitching staff to rediscover form — fast — or risk another early postseason exit.
Tigers Stats
To begin, the Detroit Tigers’ offense has been solid but not spectacular. They rank 9th in batting average at .247, 10th in on-base percentage at .316, and 9th in slugging at .413. That level of consistency has kept them competitive all season.
Spencer Torkelson leads the charge with 31 homers, ranking 14th in MLB. Gleyber Torres adds a .256 average with 16 long balls, while Zach McKinstry has quietly chipped in 12 homers with a .259 average.
On the mound, Detroit holds a 3.97 ERA, 16th in the league, and a .240 opponent batting average, good for 10th. Their 52 quality starts rank 14th, showing a rotation capable of keeping games close.
Recently, though, things haven’t gone their way. They’ve dropped back-to-back games to Seattle, including a blowout loss in Game 3, though Kerry Carpenter’s home run provided a brief spark.
Seattle Mariners vs. Detroit Tigers bottom line: The Tigers must find a way to flip the switch or see their season come to an abrupt end.
Seattle Mariners vs. Detroit Tigers Baseball Betting Trends
- The Tigers have lost three of their last five games straight-up.
- In their last five games, the Tigers have gone over the total in 2.
- The Mariners have won three of their last five games straight-up.
- Also, the Mariners have gone over the total in three of their last 5.
- The Tigers are 1-4 against the run line in their last five games.
- Additionally, the Mariners are 2-3 against the run line in their last 5.
ALDS – Game 4 Mariners vs Tigers Prediction: Mariners ML -106
Here is my Mariners Tigers free pick. The Seattle Mariners have taken control of this series, holding a 2-1 advantage and riding the momentum of three wins in their last five outings. Because they’ve found timely hitting and consistent pitching,
Seattle enters this matchup with the confidence of a team ready to close things out.
Meanwhile, Detroit has hit a rough patch, losing three of their last five while struggling to cover the run line at just 1-4 in that span. Moreover, their offense has cooled off at the wrong time, leaving too many runners stranded in scoring position.
That inefficiency has cost them in close games against the Mariners’ steady bullpen.
Head-to-head, Seattle has clearly had Detroit’s number this season, combining quality pitching and clutch at-bats to win key moments. Consequently, with momentum on their side and a chance to finish the series, the Mariners look like the better play.
Given Seattle’s recent surge and Detroit’s inconsistency, taking the Mariners on the moneyline is the smart move.
All things considered, Seattle’s balance and confidence make them the more reliable side here.
Expect the Mariners to keep their composure, execute late, and punch their ticket to the next round with another win over the Tigers.
Today’s MLB Free Pick
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MLB Betting Tweet Of The Day
Tigers Twitter
Gettin’ Miggy with it 🐐 pic.twitter.com/mUTWNEMvQM
— Detroit Tigers (@tigers) October 7, 2025
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