Jim Peterson vs. Unknown Smith — Career Comparison

Looking at the career totals, Jim Peterson and Unknown Smith are fairly close on the surface numbers. Jim Peterson posted stronger numbers in ERA (5.27 vs 9) and WHIP (1.665 vs 2.333). Unknown Smith had the advantage in home runs allowed (0 per nine innings vs 0.74). By the career numbers, Jim Peterson 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.