Roger Erickson vs. Al Lachowicz — Career Comparison

On the career pitching numbers, Al Lachowicz posted a stronger line than Roger Erickson. Al Lachowicz posted stronger numbers in ERA (2.25 vs 4.13) and home runs allowed (0 per nine innings vs 0.77). 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.