Ron Mrozinski vs. Allan Simpson — Career Comparison

Looking at the career totals, Ron Mrozinski and Allan Simpson are fairly close on the surface numbers. Ron Mrozinski posted stronger numbers in ERA (5.36 vs 6.06) and WHIP (1.615 vs 1.694). Allan Simpson had the advantage in home runs allowed (0.92 per nine innings vs 1.31). By the career numbers, Ron Mrozinski 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.