Greg Heydeman vs. Ed Knouff — Career Comparison

Looking at the career totals, Greg Heydeman and Ed Knouff are fairly close on the surface numbers. Ed Knouff had the edge in ERA (4.17 vs 4.5). By the career numbers, Ed Knouff 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.