John Firth vs. Terry Ley — Career Comparison

Looking at the career totals, John Firth and Terry Ley are fairly close on the surface numbers. John Firth posted stronger numbers in WHIP (2.111 vs 2.222) and home runs allowed (0 per nine innings vs 1). Terry Ley had the advantage in ERA (5 vs 8). By the career numbers, John Firth 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.