Tom Carroll vs. George O'Donnell — Career Comparison

Looking at the career totals, Tom Carroll and George O'Donnell are fairly close on the surface numbers. George O'Donnell posted stronger numbers in WHIP (1.443 vs 1.540) and home runs allowed (0.41 per nine innings vs 0.86). Tom Carroll had the advantage in ERA (4.16 vs 4.53). By the career numbers, George O'Donnell 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.