Mark Bomback vs. Carson Spiers — Career Comparison

On the career pitching numbers, Mark Bomback posted a stronger line than Carson Spiers. Mark Bomback posted stronger numbers in ERA (4.47 vs 5.69) and home runs allowed (0.97 per nine innings vs 1.85). By the career numbers, Mark Bomback 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.