Tom Acker vs. Francisco Perez — Career Comparison

Looking at the career totals, Tom Acker and Francisco Perez are fairly close on the surface numbers. Tom Acker posted stronger numbers in ERA (4.12 vs 5.91) and WHIP (1.407 vs 1.781). Francisco Perez had the advantage in home runs allowed (0.56 per nine innings vs 1.02). By the career numbers, Tom Acker 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.