Glen Cook vs. Osvaldo Fernandez — Career Comparison

On the career pitching numbers, Osvaldo Fernandez posted a stronger line than Glen Cook. Osvaldo Fernandez posted stronger numbers in ERA (4.93 vs 9.45) and WHIP (1.514 vs 1.800). By the career numbers, Osvaldo Fernandez 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.