Greg Mahle vs. Allan Simpson — Career Comparison

Looking at the career totals, Greg Mahle and Allan Simpson are fairly close on the surface numbers. Allan Simpson posted stronger numbers in WHIP (1.694 vs 1.909) and home runs allowed (0.92 per nine innings vs 1.96). Greg Mahle had the advantage in ERA (5.4 vs 6.06). By the career numbers, Allan Simpson 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.