Elvis Alvarado vs. Bobby Castillo — Career Comparison

Looking at the career totals, Elvis Alvarado and Bobby Castillo are fairly close on the surface numbers. Elvis Alvarado posted stronger numbers in ERA (3.19 vs 3.94) and WHIP (1.346 vs 1.431). Bobby Castillo had the advantage in home runs allowed (0.88 per nine innings vs 1.28). By the career numbers, Elvis Alvarado 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.