Cy Acosta vs. Frank Mulroney — Career Comparison

Looking at the career totals, Cy Acosta and Frank Mulroney are fairly close on the surface numbers. Frank Mulroney posted stronger numbers in WHIP (1.000 vs 1.226) and home runs allowed (0 per nine innings vs 0.73). Cy Acosta had the advantage in ERA (2.66 vs 3). By the career numbers, Frank Mulroney 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.