Brad Keller vs. Unknown Walsh — Career Comparison

Looking at the career totals, Brad Keller and Unknown Walsh are fairly close on the surface numbers. Brad Keller posted stronger numbers in ERA (4.14 vs 6.75) and WHIP (1.414 vs 1.688). Unknown Walsh had the advantage in home runs allowed (0 per nine innings vs 0.85). By the career numbers, Brad Keller 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.