Jim Holloway vs. John Parrish — Career Comparison

On the career pitching numbers, John Parrish posted a stronger line than Jim Holloway. John Parrish posted stronger numbers in ERA (4.51 vs 13.5) and WHIP (1.739 vs 3.214). By the career numbers, John Parrish 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.