Matthew Liberatore vs. Dan Petry — Career Comparison

Looking at the career totals, Matthew Liberatore and Dan Petry are fairly close on the surface numbers. Dan Petry had the edge in ERA (3.95 vs 4.63). By the career numbers, Dan Petry 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.