Tommy Doyle vs. Bill Popp — Career Comparison

Looking at the career totals, Tommy Doyle and Bill Popp are fairly close on the surface numbers. Bill Popp posted stronger numbers in ERA (4.92 vs 8.31) and home runs allowed (0.3 per nine innings vs 1.73). Tommy Doyle had the advantage in WHIP (1.769 vs 1.873). By the career numbers, Bill Popp 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.