Frank Gilmore vs. Mark Petkovsek — Career Comparison

On the career pitching numbers, Frank Gilmore posted a stronger line than Mark Petkovsek. Frank Gilmore posted stronger numbers in ERA (4.26 vs 4.74) and home runs allowed (0.31 per nine innings vs 1.04). By the career numbers, Frank Gilmore 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.