Travis Phelps vs. Bill Tremel — Career Comparison

On the career pitching numbers, Bill Tremel posted a stronger line than Travis Phelps. Bill Tremel posted stronger numbers in ERA (4.05 vs 4.34) and home runs allowed (0.49 per nine innings vs 1.28). By the career numbers, Bill Tremel 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.