Onan Masaoka vs. Steve Stemle — Career Comparison

Looking at the career totals, Onan Masaoka and Steve Stemle are fairly close on the surface numbers. Onan Masaoka posted stronger numbers in ERA (4.23 vs 8.64) and WHIP (1.537 vs 1.920). Steve Stemle had the advantage in home runs allowed (0.54 per nine innings vs 0.96). By the career numbers, Onan Masaoka 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.