John Briscoe vs. Adam Peterson — Career Comparison

On the career pitching numbers, John Briscoe posted a stronger line than Adam Peterson. John Briscoe posted stronger numbers in ERA (5.67 vs 16.88) and WHIP (1.869 vs 3.750). By the career numbers, John Briscoe 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.