Mike Mussina vs. Roy Witherup — Career Comparison

Looking at the career totals, Mike Mussina and Roy Witherup are fairly close on the surface numbers. Mike Mussina posted stronger numbers in ERA (3.68 vs 4.44) and WHIP (1.200 vs 1.454). Roy Witherup had the advantage in home runs allowed (0.17 per nine innings vs 0.95). By the career numbers, Mike Mussina 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.