Rich Monteleone vs. Michael Petersen — Career Comparison

On the career pitching numbers, Rich Monteleone posted a stronger line than Michael Petersen. Rich Monteleone posted stronger numbers in ERA (3.87 vs 5.02) and WHIP (1.367 vs 1.593). By the career numbers, Rich Monteleone 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.