Jim Middleton vs. Sparrow Morton — Career Comparison

Looking at the career totals, Jim Middleton and Sparrow Morton are fairly close on the surface numbers. Jim Middleton posted stronger numbers in ERA (4.51 vs 5.29) and WHIP (1.497 vs 1.588). Sparrow Morton had the advantage in home runs allowed (0 per nine innings vs 0.34). By the career numbers, Jim Middleton 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.