Joe Colon vs. David Rollins — Career Comparison

Looking at the career totals, Joe Colon and David Rollins are fairly close on the surface numbers. David Rollins posted stronger numbers in WHIP (1.922 vs 2.000) and home runs allowed (1.31 per nine innings vs 1.8). Joe Colon had the advantage in ERA (7.2 vs 7.6). By the career numbers, David Rollins 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.