Cal Cooper vs. Enerio Del Rosario — Career Comparison

On the career pitching numbers, Enerio Del Rosario posted a stronger line than Cal Cooper. Enerio Del Rosario posted stronger numbers in ERA (5.6 vs 45) and WHIP (1.890 vs 6.000). By the career numbers, Enerio Del Rosario 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.