
Tigers vs Mariners Prediction 7-12-25 MLB Picks
Seattle Mariners (49-45) vs. Detroit Tigers (59-36)
July 12, 2025 5:10 pm EDT
The Line: Detroit Tigers -132 / Seattle Mariners 108; Over/Under: 8
(Get latest betting odds)
The Seattle Mariners and Detroit Tigers meet Saturday in MLB action at Comerica Park. Here’s a Tigers vs Mariners Prediction. This article will include a Tigers vs Mariners Pick.
Seattle Mariners Betting Preview
The Seattle Mariners are 49-45 on the year and play the Astros, Brewers, and Angels next. The Seattle Mariners are batting .247 on the season, have a .323 OBP, and a .409 slugging percentage. The Seattle Mariners’ pitching staff has a 3.89 ERA and a 1.26 WHIP. JP Crawford leads the Seattle Mariners with 96 hits and 33 RBI, while Julio Rodriguez and Cal Raleigh have combined for 184 hits and 127 RBI.
George Kirby gets the ball for the Seattle Mariners, and he is 3-4 with a 4.22 ERA and 50 strikeouts this season. Kirby is 1-4 with a 7.54 ERA and 26 strikeouts in his career against the Detroit Tigers.
Detroit Tigers Betting Preview
The Detroit Tigers are 59-36 on the year and play the Rangers, Pirates, and Blue Jays next. The Detroit Tigers are batting .252 on the season, have a .324 OBP, and a .424 slugging percentage. The Detroit Tigers’ pitching staff has a 3.53 ERA and a 1.21 WHIP. Riley Greene leads the Detroit Tigers with 101 hits and 73 RBI, while Zach McKinstry and Gleyber Torres have combined for 160 hits and 73 RBI.
Casey Mize gets the ball for the Detroit Tigers, and he is 9-2 with a 2.63 ERA and 73 strikeouts this season. Mize is 2-0 with a 1.86 ERA and 19 strikeouts in his career against the Seattle Mariners.
Why the Detroit Tigers will win
- The Tigers have won seven of their last eight day games against AL West opponents following a loss.
- The Mariners have lost each of their last four games against the Tigers following a win.
- The Mariners have failed to cover the run line in nine of their last 10 road games following a win.
- The Tigers have covered the run line in each of their last four day games against American League opponents.
- The Mariners have trailed after 5 innings in each of their last four day games against American League opponents.
- The Mariners have trailed after 3 innings in each of their last six Saturday day games against opponents that held a winning record.
Why the Seattle Mariners will win
- The underdogs have won each of the last six games between the Mariners and Tigers.
- The Tigers have lost each of their last seven Saturday games against teams that held a winning record.
- The underdogs have covered the run line in each of the last six games between the Mariners and Tigers.
- The Tigers have failed to cover the run line each of their last seven Saturday games against teams that held a winning record.
- The Mariners have led after 3 innings in each of their last eight day games against the Tigers.
- The Mariners have led after 5 innings in seven of their last eight games against the Tigers at Comerica Park.
Detroit Tigers Player Prop Facts
- Casey Mize has recorded five or more strikeouts in five of his last six appearances in day games against AL teams that held a winning record.
- Parker Meadows has recorded a hit in each of his last 13 appearances against AL opponents that held a winning record.
- Casey Mize has recorded a win in five of his last six home appearances.
- Jake Rogers has hit a home run in each of his four previous appearances with the Tigers as home favorites against the Mariners.
- Casey Mize ranks T6th in the league for Wins (9) this season.
Seattle Mariners Player Prop Facts
- Randy Arozarena has recorded at least one Double in each of the Mariners’ last four day games against opponents that held a winning record.
- Cal Raleigh has hit at least one home run in each of the Mariners’ last three day games against opponents that held a winning record.
- George Kirby has recorded six or more strikeouts in three of his last four appearances in day games.
- J.P. Crawford has recorded at least one hit in each of the Mariners’ last 12 games.
- George Kirby has recorded a win in four of his last five appearances in day games.
- Cal Raleigh ranks 1st in the league in Home Runs (38) this season.
Tigers vs Mariners Prediction
Kirby has been hittable this season with a 4.22 ERA, and his numbers jump to a 4.98 ERA on the road through 21.2 innings. Mize has been rolling with a 2.63 ERA and 1.18 WHIP, and he’s allowed nine earned runs in his last 34.2 innings. In 36 home innings, Mize has a 2.00 ERA and a .217 allowed batting average. The Tigers have to be the pick here, especially with the cheap price at home.