Bob Lee vs. Ethan Roberts — Career Comparison

On the career pitching numbers, Bob Lee posted a stronger line than Ethan Roberts. Bob Lee posted stronger numbers in ERA (2.7 vs 4.98) and WHIP (1.285 vs 1.592). By the career numbers, Bob Lee 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.