Tom Cosgrove vs. Zack Weiss — Career Comparison

On the career pitching numbers, Tom Cosgrove posted a stronger line than Zack Weiss. Tom Cosgrove posted stronger numbers in ERA (3.86 vs 4.61) and WHIP (1.200 vs 1.280). By the career numbers, Tom Cosgrove 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.