John McDonald vs. Steve Stemle — Career Comparison

Looking at the career totals, John McDonald and Steve Stemle are fairly close on the surface numbers. Steve Stemle posted stronger numbers in ERA (8.64 vs 9) and WHIP (1.920 vs 2.333). John McDonald had the advantage in home runs allowed (0 per nine innings vs 0.54). By the career numbers, Steve Stemle 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.