Mason Black vs. Dennis Eckersley — Career Comparison

On the career pitching numbers, Dennis Eckersley posted a stronger line than Mason Black. Dennis Eckersley posted stronger numbers in ERA (3.5 vs 6.47) and WHIP (1.188 vs 1.636). By the career numbers, Dennis Eckersley 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.