Mike Cosgrove vs. David Patton — Career Comparison

On the career pitching numbers, Mike Cosgrove posted a stronger line than David Patton. Mike Cosgrove posted stronger numbers in ERA (4.03 vs 6.83) and WHIP (1.544 vs 1.880). By the career numbers, Mike 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.