Don Arlich vs. Jason Grilli — Career Comparison

Looking at the career totals, Don Arlich and Jason Grilli are fairly close on the surface numbers. Jason Grilli posted stronger numbers in ERA (4.22 vs 8.1) and WHIP (1.405 vs 2.100). Don Arlich had the advantage in home runs allowed (0 per nine innings vs 1). By the career numbers, Jason Grilli 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.