Tim Birtsas vs. Kewpie Pennington — Career Comparison

On the career pitching numbers, Kewpie Pennington posted a stronger line than Tim Birtsas. Kewpie Pennington posted stronger numbers in ERA (0 vs 4.08) and WHIP (1.000 vs 1.564). By the career numbers, Kewpie Pennington 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.