Mike Burrows vs. Carson Spiers — Career Comparison

On the career pitching numbers, Mike Burrows posted a stronger line than Carson Spiers. Mike Burrows posted stronger numbers in ERA (3.9 vs 5.69) and WHIP (1.258 vs 1.573). By the career numbers, Mike Burrows 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.