Joe Connors vs. Francisco Rosario — Career Comparison

Looking at the career totals, Joe Connors and Francisco Rosario are fairly close on the surface numbers. Joe Connors posted stronger numbers in ERA (5.57 vs 6.02) and home runs allowed (0.43 per nine innings vs 1.28). Francisco Rosario had the advantage in WHIP (1.824 vs 2.238). By the career numbers, Joe Connors 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.