Kolby Allard vs. Michael Grove — Career Comparison

Looking at the career totals, Kolby Allard and Michael Grove are fairly close on the surface numbers. Kolby Allard had the edge in ERA (5.34 vs 5.48). By the career numbers, Kolby Allard had the better of this comparison — though ERA and WHIP alone don't account for era, park factors, or the defenses each pitcher worked behind.