Rocky Coppinger vs. Al Lachowicz — Career Comparison

On the career pitching numbers, Al Lachowicz posted a stronger line than Rocky Coppinger. Al Lachowicz posted stronger numbers in ERA (2.25 vs 5.47) and WHIP (1.375 vs 1.626). By the career numbers, Al Lachowicz 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.