Alberto Arias vs. John Glaiser — Career Comparison

On the career pitching numbers, Alberto Arias posted a stronger line than John Glaiser. Alberto Arias posted stronger numbers in ERA (3.74 vs 4.91) and home runs allowed (0.36 per nine innings vs 0.61). By the career numbers, Alberto Arias 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.