Joe Boyle vs. Don Cardwell — Career Comparison

On the career pitching numbers, Don Cardwell posted a stronger line than Joe Boyle. Don Cardwell posted stronger numbers in ERA (3.92 vs 4.98) and WHIP (1.300 vs 1.444). By the career numbers, Don Cardwell 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.