Lisalverto Bonilla vs. Reese Olson — Career Comparison

On the career pitching numbers, Reese Olson posted a stronger line than Lisalverto Bonilla. Reese Olson posted stronger numbers in ERA (3.6 vs 6.28) and WHIP (1.173 vs 1.570). By the career numbers, Reese Olson 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.