Jason Johnson vs. Ed Zmich — Career Comparison

Looking at the career totals, Jason Johnson and Ed Zmich are fairly close on the surface numbers. Jason Johnson posted stronger numbers in ERA (4.99 vs 5.18) and WHIP (1.506 vs 1.705). Ed Zmich had the advantage in home runs allowed (0 per nine innings vs 1.2). By the career numbers, Jason Johnson 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.