Greg Harris vs. John Shaffer — Career Comparison

Looking at the career totals, Greg Harris and John Shaffer are fairly close on the surface numbers. Greg Harris posted stronger numbers in ERA (3.69 vs 4.57) and WHIP (1.409 vs 1.492). John Shaffer had the advantage in home runs allowed (0.15 per nine innings vs 0.79). By the career numbers, Greg Harris 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.