Ed Donnelly vs. Jair Jurrjens — Career Comparison

Looking at the career totals, Ed Donnelly and Jair Jurrjens are fairly close on the surface numbers. Jair Jurrjens posted stronger numbers in ERA (3.72 vs 4.03) and WHIP (1.362 vs 1.534). Ed Donnelly had the advantage in home runs allowed (0.41 per nine innings vs 0.82). By the career numbers, Jair Jurrjens 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.