Kevin Beirne vs. John Glaiser — Career Comparison

On the career pitching numbers, John Glaiser posted a stronger line than Kevin Beirne. John Glaiser posted stronger numbers in ERA (4.91 vs 6.09) and home runs allowed (0.61 per nine innings vs 1.47). By the career numbers, John Glaiser 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.