Jim Peterson vs. Walter Wilson — Career Comparison

On the career pitching numbers, Walter Wilson posted a stronger line than Jim Peterson. Walter Wilson posted stronger numbers in ERA (4.61 vs 5.27) and WHIP (1.578 vs 1.665). By the career numbers, Walter Wilson 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.