Mike Esposito vs. George Mack — Career Comparison

Looking at the career totals, Mike Esposito and George Mack are fairly close on the surface numbers. George Mack posted stronger numbers in WHIP (1.890 vs 2.114) and home runs allowed (1.05 per nine innings vs 1.84). Mike Esposito had the advantage in ERA (6.75 vs 7.19). By the career numbers, George Mack 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.