At 25 years old, Michael Fulmer has yet to enter his prime.The Tigers' right-hander was hitting 97 mph consistently, and touching 98, while working a matinee vs. the Twins Thursday at Comerica Park. His slider was crisp and in the high 80s. Fulmer's pitching line in the Tigers' 3-1 victory: Seven innings, a run, five hits, a walk, four strikeouts.