Frank Killen vs. Tyler Lyons — Career Comparison

Looking at the career totals, Frank Killen and Tyler Lyons are fairly close on the surface numbers. Frank Killen posted stronger numbers in ERA (3.78 vs 4.3) and home runs allowed (0.2 per nine innings vs 1.27). Tyler Lyons had the advantage in WHIP (1.249 vs 1.414). By the career numbers, Frank Killen 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.