Bill Donovan vs. Jo-Jo Reyes — Career Comparison

On the career pitching numbers, Bill Donovan posted a stronger line than Jo-Jo Reyes. Bill Donovan posted stronger numbers in ERA (2.69 vs 6.06) and WHIP (1.245 vs 1.665). By the career numbers, Bill Donovan 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.