R. J. Alvarez vs. Tommy Doyle — Career Comparison

Looking at the career totals, R. J. Alvarez and Tommy Doyle are fairly close on the surface numbers. Tommy Doyle posted stronger numbers in WHIP (1.769 vs 1.879) and home runs allowed (1.73 per nine innings vs 2.67). R. J. Alvarez had the advantage in ERA (7.71 vs 8.31). By the career numbers, Tommy Doyle 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.