Jose Acosta vs. Phil Regan — Career Comparison

Looking at the career totals, Jose Acosta and Phil Regan are fairly close on the surface numbers. Phil Regan posted stronger numbers in ERA (3.84 vs 4.51) and WHIP (1.397 vs 1.561). Jose Acosta had the advantage in home runs allowed (0.38 per nine innings vs 0.98). By the career numbers, Phil Regan 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.