Bill Singer vs. Roy Witherup — Career Comparison

Looking at the career totals, Bill Singer and Roy Witherup are fairly close on the surface numbers. Bill Singer posted stronger numbers in ERA (3.39 vs 4.44) and WHIP (1.280 vs 1.454). Roy Witherup had the advantage in home runs allowed (0.17 per nine innings vs 0.55). By the career numbers, Bill Singer 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.