Shawn Kelley vs. William Parson — Career Comparison

Looking at the career totals, Shawn Kelley and William Parson are fairly close on the surface numbers. Shawn Kelley posted stronger numbers in ERA (3.8 vs 4.92) and WHIP (1.250 vs 1.856). William Parson had the advantage in home runs allowed (0.6 per nine innings vs 1.47). By the career numbers, Shawn Kelley 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.