Bobby Bolin vs. Ed Donnelly — Career Comparison

Looking at the career totals, Bobby Bolin and Ed Donnelly are fairly close on the surface numbers. Bobby Bolin posted stronger numbers in ERA (3.4 vs 4.03) and WHIP (1.289 vs 1.534). Ed Donnelly had the advantage in home runs allowed (0.41 per nine innings vs 0.94). By the career numbers, Bobby Bolin 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.