Joe Mulligan vs. W. Williams — Career Comparison

Looking at the career totals, Joe Mulligan and W. Williams are fairly close on the surface numbers. Joe Mulligan posted stronger numbers in ERA (3.63 vs 6.35) and WHIP (1.634 vs 1.765). W. Williams had the advantage in home runs allowed (0 per nine innings vs 0.2). By the career numbers, Joe Mulligan 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.