John Foreman vs. Ryan Rolison — Career Comparison

On the career pitching numbers, John Foreman posted a stronger line than Ryan Rolison. John Foreman posted stronger numbers in ERA (4.97 vs 7.02) and WHIP (1.605 vs 1.772). By the career numbers, John Foreman 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.