Adam Peterson vs. Tom Phoebus — Career Comparison

On the career pitching numbers, Tom Phoebus posted a stronger line than Adam Peterson. Tom Phoebus posted stronger numbers in ERA (3.33 vs 5.46) and WHIP (1.359 vs 1.516). By the career numbers, Tom Phoebus 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.