John Nelson vs. Charlie Sproull — Career Comparison

Looking at the career totals, John Nelson and Charlie Sproull are fairly close on the surface numbers. John Nelson posted stronger numbers in ERA (3.65 vs 5.94) and WHIP (1.671 vs 1.826). Charlie Sproull had the advantage in home runs allowed (0.69 per nine innings vs 1.59). By the career numbers, John Nelson 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.