T. J. Mathews vs. Kevin Whelan — Career Comparison

On the career pitching numbers, T. J. Mathews posted a stronger line than Kevin Whelan. T. J. Mathews posted stronger numbers in ERA (3.82 vs 9) and WHIP (1.371 vs 3.333). By the career numbers, T. J. Mathews 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.