Jeff Ballard vs. Carson Spiers — Career Comparison

On the career pitching numbers, Jeff Ballard posted a stronger line than Carson Spiers. Jeff Ballard posted stronger numbers in ERA (4.71 vs 5.69) and WHIP (1.506 vs 1.573). By the career numbers, Jeff Ballard 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.