Jim Manning vs. Allan Simpson — Career Comparison

Looking at the career totals, Jim Manning and Allan Simpson are fairly close on the surface numbers. Jim Manning posted stronger numbers in ERA (5.14 vs 6.06) and home runs allowed (0 per nine innings vs 0.92). Allan Simpson had the advantage in WHIP (1.694 vs 2.143). By the career numbers, Jim Manning 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.