Camilo Doval vs. John Shaffer — Career Comparison

Looking at the career totals, Camilo Doval and John Shaffer are fairly close on the surface numbers. Camilo Doval posted stronger numbers in ERA (3.39 vs 4.57) and WHIP (1.329 vs 1.492). John Shaffer had the advantage in home runs allowed (0.15 per nine innings vs 0.63). By the career numbers, Camilo Doval 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.