Stan Baumgartner vs. Carson Spiers — Career Comparison

On the career pitching numbers, Stan Baumgartner posted a stronger line than Carson Spiers. Stan Baumgartner posted stronger numbers in ERA (3.7 vs 5.69) and WHIP (1.459 vs 1.573). By the career numbers, Stan Baumgartner 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.