Joe Gibbon vs. Roy Witherup — Career Comparison

Looking at the career totals, Joe Gibbon and Roy Witherup are fairly close on the surface numbers. Joe Gibbon posted stronger numbers in ERA (3.52 vs 4.44) and WHIP (1.382 vs 1.454). Roy Witherup had the advantage in home runs allowed (0.17 per nine innings vs 0.59). By the career numbers, Joe Gibbon 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.