Michael Kopech vs. Lefty Wallace — Career Comparison

Looking at the career totals, Michael Kopech and Lefty Wallace are fairly close on the surface numbers. Lefty Wallace had the edge in home runs allowed (0.56 per nine innings vs 1.45). By the career numbers, Lefty Wallace 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.