Harold Hairston vs. Nate Robertson — Career Comparison

Looking at the career totals, Harold Hairston and Nate Robertson are fairly close on the surface numbers. Harold Hairston posted stronger numbers in WHIP (1.390 vs 1.493) and home runs allowed (0.99 per nine innings vs 1.25). Nate Robertson had the advantage in ERA (5.01 vs 6.42). By the career numbers, Harold Hairston 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.