Jimmy Mayo vs. Scott Olsen — Career Comparison

Looking at the career totals, Jimmy Mayo and Scott Olsen are fairly close on the surface numbers. Jimmy Mayo posted stronger numbers in ERA (2.81 vs 4.85) and home runs allowed (0 per nine innings vs 1.34). Scott Olsen had the advantage in WHIP (1.512 vs 1.563). By the career numbers, Jimmy Mayo 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.