Steve Stemle vs. Pedro Villarreal — Career Comparison

Looking at the career totals, Steve Stemle and Pedro Villarreal are fairly close on the surface numbers. Pedro Villarreal posted stronger numbers in ERA (4.29 vs 8.64) and WHIP (1.486 vs 1.920). Steve Stemle had the advantage in home runs allowed (0.54 per nine innings vs 1.39). By the career numbers, Pedro Villarreal 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.