Fred Hayner vs. J. J. Trujillo — Career Comparison

Looking at the career totals, Fred Hayner and J. J. Trujillo are fairly close on the surface numbers. J. J. Trujillo posted stronger numbers in ERA (10.13 vs 13.5) and home runs allowed (3.38 per nine innings vs 4.5). Fred Hayner had the advantage in WHIP (3.000 vs 3.750). By the career numbers, J. J. Trujillo 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.