John Anderson vs. Trevor Rosenthal — Career Comparison

On the career pitching numbers, Trevor Rosenthal posted a stronger line than John Anderson. Trevor Rosenthal posted stronger numbers in ERA (3.36 vs 6.45) and WHIP (1.343 vs 1.813). By the career numbers, Trevor Rosenthal 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.