Mike Cunningham vs. Ren Kelly — Career Comparison

Looking at the career totals, Mike Cunningham and Ren Kelly are fairly close on the surface numbers. Ren Kelly posted stronger numbers in ERA (2.57 vs 3.21) and home runs allowed (0 per nine innings vs 0.32). Mike Cunningham had the advantage in WHIP (1.357 vs 1.571). By the career numbers, Ren Kelly 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.