Mark Acre vs. John Allen — Career Comparison

Looking at the career totals, Mark Acre and John Allen are fairly close on the surface numbers. Mark Acre posted stronger numbers in ERA (5.17 vs 18) and WHIP (1.669 vs 2.000). John Allen had the advantage in home runs allowed (0 per nine innings vs 1.13). By the career numbers, Mark Acre 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.