Jimmy Nelson vs. Roger Wolff — Career Comparison

On the career pitching numbers, Roger Wolff posted a stronger line than Jimmy Nelson. Roger Wolff posted stronger numbers in ERA (3.41 vs 4.12) and WHIP (1.301 vs 1.365). By the career numbers, Roger Wolff 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.