Jason Anderson vs. Marcos Mateo — Career Comparison

Looking at the career totals, Jason Anderson and Marcos Mateo are fairly close on the surface numbers. Marcos Mateo posted stronger numbers in ERA (4.65 vs 6.39) and WHIP (1.340 vs 1.974). Jason Anderson had the advantage in home runs allowed (1.42 per nine innings vs 1.63). By the career numbers, Marcos Mateo 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.