Cesar Jimenez vs. Michael Petersen — Career Comparison

On the career pitching numbers, Cesar Jimenez posted a stronger line than Michael Petersen. Cesar Jimenez posted stronger numbers in ERA (4.05 vs 5.02) and WHIP (1.351 vs 1.593). By the career numbers, Cesar Jimenez 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.