Seattle Mariners vs Detroit Tigers Prediction, 10/8/2025 MLB Picks, Best Bets & Odds

Game: Seattle Mariners vs Detroit Tigers

Date: Wednesday, October 8, 2025

Location: Comerica Park in Detroit, MI

TV: FS1

Odds/Point Spread: Seattle (-196) Detroit (+162)

The Seattle Mariners (90-72) are headed to Comerica Park on Wednesday where they will take on the Detroit Tigers (87-75) in Game 4 of the ALDS. The moneyline on this game has the Mariners at -196 while the Tigers are sitting at +162. The total is 7.5. The expected starting pitchers will be Bryce Miller and Casey Mize.

The Mariners have accrued 234 two-baggers as a team and have hit 238 baseballs out of the park. Seattle is slugging .420 and have struck out 1,446 times, while taking a walk on 544 occasions. As a unit, the Seattle Mariners are scoring 4.7 runs per game, which is 10th in baseball. They have earned 734 RBI's and 1,345 hits on the year, and their average at the plate is sitting at .244. They have notched a total of 766 runs scored and have an OBP of .320.

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The Mariners have compiled a team earned run average of 3.87 this season (13th in baseball), and their staff has rung up 1,426 hitters. Mariners pitchers have surrendered 192 home runs and 694 runs in total (17th in the league). They have walked 454 opposing batters and their FIP comes in at 3.98 as a squad this season. Seattle has conceded 1,331 hits (8.2 per 9 innings) as well as 629 earned runs. They have a strikeout to walk ratio of 3.14 and their pitching staff holds a collective WHIP of 1.22.

The Mariners have dispatched 550 relief pitchers to the mound on the year. The relief pitchers have inherited 147 base runners so far this year with 25.2% of those players ended up crossing the plate. They have compiled 43 saves on the year and have missed out on 26 of 69 save opportunities. The Mariners relievers have a save percentage of 62.3% and have entered the game in 159 save situations. The bullpen have tallied 90 holds for the season (13th in the league). Mariners relief pitchers have stepped onto the hill with runners on 132 times in addition to having 216 appearances in high leverage situations.

The San Francisco Giants have a total of 4,388 putouts at this point in the season, as well as 1,355 assists and 69 errors. Their fielding percentage is holding steady at .988 which has them ranked 7th in MLB, and they have turned 118 double plays. The Mariners have turned 70.3% of balls hit into play into outs in their 13,164 innings on the field, which has them sitting at 12th in the majors.

Miller has taken the hill for 401 frames and has totaled 364 punch outs so far in his MLB career. His ERA is 4.01 (179 earned runs allowed) and his WHIP is 1.129. He has surrendered 348 base knocks (7.8 hits per 9 innings) and has 105 walks. Miller (24-21 record in his career) holds a FIP of 3.95 and he has faced 1,633 opposing hitters in the majors.

Detroit has knocked in 198 home runs over the course of the season as well as 724 runs batted in. They have 244 doubles, while taking a walk 511 times and notching 758 runs. The Detroit Tigers have tallied a team OBP of .316 and a team batting average of .247 so far this year. The Tigers hold a team slugging percentage of .413 and they are scoring 4.68 runs per contest (11th in baseball). They have struck out on 1,454 occasions (5th in baseball) and have earned 1,346 hits.

The Tigers have a team WHIP of 1.249 and are the owners of a FIP of 4.05 as a staff so far this year. They are currently ranked 13th in baseball as a pitching staff in total hits given up with 1,309. The Detroit pitching staff have conceded 691 runs on the year while holding an ERA of 3.95 (630 earned runs yielded). Their K/BB ratio sits at 8.60 (1,375 strikeouts vs 485 bases on balls). They have given up 187 homers and they yield 4.33 runs per 9 innings (17th in MLB).

With 142 save situations, the Tigers have recorded 75 holds and also 22 blown saves. Detroit has had relievers step onto the hill in 62 save opportunities and they have earned 40 saves. Their relief pitchers have stepped onto the hill 140 times in high leverage situations in addition to 182 occasions with base runners. Detroit bullpen pitchers hold an inherited score percentage of 28.7% out of their 258 inherited base runners. They rank 14th in baseball holding a save percentage of 64.5%, and they have sent 508 relief pitchers to the mound this season.

The Detroit Tigers have turned 128 double plays and have a fielding percentage of .986 (14th in baseball). The Tigers have recorded 1,379 assists, 79 errors and have notched a total of 4,309 putouts on the season. In 12,927 innings played, the Tigers have accumulated a defensive efficiency of 70.2% (13th in the majors).

During his MLB career, Mize has given up 446 hits while he has tallied 365 punch outs in 440 frames. He has given up a total of 205 ER's while holding a WHIP of 1.289 and having a FIP of 4.1. He has a K/BB ratio of 3.02 and he has faced 1,869 hitters so far in his career. Mize (23-25 career win-loss mark) has a 4.19 ERA and has conceded 9.1 hits per 9 innings.

Who will win tonight's MLB game against the spread or moneyline?

Josh Schonwald's Pick: Take Seattle (-196)

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