Denny O'Toole vs. Alex Serrano — Career Comparison

On the career pitching numbers, Alex Serrano posted a stronger line than Denny O'Toole. Alex Serrano posted stronger numbers in ERA (0 vs 5.04) and WHIP (1.000 vs 1.747). By the career numbers, Alex Serrano 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.