As the Tigers prepare for Game 1 of the ALDS against the Mariners, there’s one strategic concern that cannot be overlooked: Tommy Kahnle’s overreliance on his change-up.
Back in July, when the Mariners swept a series from Detroit, Kahnle’s predictability was exposed in dramatic fashion. On July 12th, he entered with his trademark change-up arsenal—and Seattle’s hitters were locked in. He allowed 4 hits, a walk, and 4 earned runs without recording a single out. The very next day, July 13th, he again threw almost nothing but change-ups, giving up 2 hits, a walk, and 3 earned runs—again without retiring a batter.
The Mariners’ strategy was simple but effective: sit on the change-up and punish it. With a lineup that boasts multiple power bats, it was a blueprint for success, and it marked the beginning of Kahnle’s decline in performance.
Yesterday, in his brief relief appearance against the Guardians, he once again threw almost exclusively change-ups. The risk is clear—if he continues this approach against Seattle, the Tigers could find themselves in trouble.
The takeaway: For Detroit to advance, manager A.J. Hinch and pitching coach Chris Fetter must insist that Kahnle mixes in his fastball and slider, keeping hitters off balance. Otherwise, the Mariners’ lineup will be waiting—and ready.


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