Rick Langford vs. Adam Peterson — Career Comparison

On the career pitching numbers, Rick Langford posted a stronger line than Adam Peterson. Rick Langford posted stronger numbers in ERA (4.01 vs 5.46) and WHIP (1.351 vs 1.516). By the career numbers, Rick Langford 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.