Orville Armbrust vs. Hayden Birdsong — Career Comparison

On the career pitching numbers, Orville Armbrust posted a stronger line than Hayden Birdsong. Orville Armbrust posted stronger numbers in ERA (2.13 vs 4.77) and WHIP (1.026 vs 1.438). By the career numbers, Orville Armbrust 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.