Willie Collazo vs. Bill Zinser — Career Comparison

On the career pitching numbers, Willie Collazo posted a stronger line than Bill Zinser. Willie Collazo posted stronger numbers in ERA (6.35 vs 27) and WHIP (2.294 vs 9.000). By the career numbers, Willie Collazo 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.