Seattle Mariners at Detroit Tigers Preview: George Kirby vs. Casey Mize on July 12, 2025

Saturday, July 12th, 2025

Seattle Mariners (49-45) at Detroit Tigers (59-36)

Detroit; Saturday, 1:10 p.m. EDT

BOTTOM LINE: The Seattle Mariners trail 1-0 in a three-game series with the Detroit Tigers.

Pitching Probables

Mariners

George Kirby (3-4, 4.22 ERA, 1.10 WHIP, 50 strikeouts)

Tigers

Casey Mize (9-2, 2.63 ERA, 1.18 WHIP, 73 strikeouts)

Betting Odds

Tigers -129, Mariners +108; over/under is 8 runs

Team Insights

Detroit has gone 32-16 at home and 59-36 overall. The Tigers have a 40-4 record in games when they out-hit their opponents.

Seattle has a 24-24 record on the road and a 49-45 record overall. The Mariners are 34-9 in games when they scored at least five runs.

Saturday's game is the fifth time these teams square off this season. The season series is tied 2-2.

Top Performers

Tigers

Spencer Torkelson has 20 doubles and 21 home runs for the Tigers.

Colt Keith is 14 for 36 with four doubles, two home runs and five RBI over the past 10 games.

Mariners

Cal Raleigh has 16 doubles and 38 home runs while hitting .264 for the Mariners.

Randy Arozarena is 9 for 37 with five home runs over the past 10 games.

Last 10 Games

Tigers

6-4, .221 batting average, 4.35 ERA, even run differential

Mariners

5-5, .236 batting average, 3.78 ERA, outscored opponents by three runs

Injuries

Tigers

Sean Guenther: 60-Day IL (hip), Sawyer Gipson-Long: 15-Day IL (neck), Kerry Carpenter: 10-Day IL (hamstring), Jackson Jobe: 60-Day IL (flexor), Jason Foley: 60-Day IL (shoulder), Alex Cobb: 60-Day IL (hip), Ty Madden: 60-Day IL (shoulder), Jose Urquidy: 60-Day IL (elbow), Alex Lange: 60-Day IL (lat)

Mariners

Bryce Miller: 15-Day IL (elbow), Collin Snider: 15-Day IL (forearm), Gregory Santos: 60-Day IL (knee), Victor Robles: 60-Day IL (shoulder), Ryan Bliss: 60-Day IL (biceps)

In summary

The Detroit Tigers host the Seattle Mariners on July 12, 2025, at 1:10 PM EDT. The Tigers lead the series 1-0. Detroit holds a strong home record (32-16) and a season record of 59-36, while Seattle is 24-24 on the road with a 49-45 overall record. Casey Mize is scheduled to pitch for the Tigers against George Kirby for the Mariners. The Tigers are favored in the betting odds with an over/under of 8 runs. Top performers include Spencer Torkelson and Colt Keith for the Tigers, and Cal Raleigh and Randy Arozarena for the Mariners. Both teams have several players on the injured list.

Related Links

• Seattle Mariners News & Updates
• Seattle Mariners Schedule & Scores
• Detroit Tigers News & Updates
• Detroit Tigers Schedule & Scores
• MLB News