Masumi Kuwata vs. Kevin Whelan — Career Comparison

Looking at the career totals, Masumi Kuwata and Kevin Whelan are fairly close on the surface numbers. Masumi Kuwata posted stronger numbers in WHIP (2.095 vs 3.333) and home runs allowed (2.57 per nine innings vs 6). Kevin Whelan had the advantage in ERA (9 vs 9.43). By the career numbers, Masumi Kuwata 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.