Adonis Rosa vs. John Shea — Career Comparison

Looking at the career totals, Adonis Rosa and John Shea are fairly close on the surface numbers. Adonis Rosa posted stronger numbers in ERA (4.5 vs 18) and WHIP (0.500 vs 2.000). John Shea had the advantage in home runs allowed (0 per nine innings vs 4.5). By the career numbers, Adonis Rosa 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.