Jack Keenan vs. Ryan Walker — Career Comparison

Looking at the career totals, Jack Keenan and Ryan Walker are fairly close on the surface numbers. Jack Keenan posted stronger numbers in ERA (0 vs 2.98) and home runs allowed (0 per nine innings vs 0.75). Ryan Walker had the advantage in WHIP (1.155 vs 1.250). By the career numbers, Jack Keenan 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.