Joe Connors vs. David Rollins — Career Comparison

Looking at the career totals, Joe Connors and David Rollins are fairly close on the surface numbers. Joe Connors posted stronger numbers in ERA (5.57 vs 7.6) and home runs allowed (0.43 per nine innings vs 1.31). David Rollins had the advantage in WHIP (1.922 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.