Rollie Sheldon vs. Ed Zmich — Career Comparison

Looking at the career totals, Rollie Sheldon and Ed Zmich are fairly close on the surface numbers. Rollie Sheldon posted stronger numbers in ERA (4.09 vs 5.18) and WHIP (1.332 vs 1.705). Ed Zmich had the advantage in home runs allowed (0 per nine innings vs 1.08). By the career numbers, Rollie Sheldon 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.