Walt Kellner vs. William Parson — Career Comparison

Looking at the career totals, Walt Kellner and William Parson are fairly close on the surface numbers. Walt Kellner posted stronger numbers in WHIP (1.714 vs 1.856) and home runs allowed (0 per nine innings vs 0.6). William Parson had the advantage in ERA (4.92 vs 6.43). By the career numbers, Walt Kellner 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.