Jim Mains vs. Jim Shellenback — Career Comparison

Looking at the career totals, Jim Mains and Jim Shellenback are fairly close on the surface numbers. Jim Shellenback posted stronger numbers in ERA (3.81 vs 5.63) and WHIP (1.447 vs 1.500). Jim Mains had the advantage in home runs allowed (0 per nine innings vs 0.79). By the career numbers, Jim Shellenback 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.