Don Heinkel vs. Kevin Whelan — Career Comparison

On the career pitching numbers, Don Heinkel posted a stronger line than Kevin Whelan. Don Heinkel posted stronger numbers in ERA (4.74 vs 9) and WHIP (1.436 vs 3.333). By the career numbers, Don Heinkel 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.