Doug Mathis vs. Allan Simpson — Career Comparison

Looking at the career totals, Doug Mathis and Allan Simpson are fairly close on the surface numbers. Doug Mathis posted stronger numbers in ERA (4.84 vs 6.06) and WHIP (1.637 vs 1.694). Allan Simpson had the advantage in home runs allowed (0.92 per nine innings vs 1.44). By the career numbers, Doug Mathis 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.