Jose Diaz vs. Rinty Monahan — Career Comparison

On the career pitching numbers, Rinty Monahan posted a stronger line than Jose Diaz. Rinty Monahan posted stronger numbers in ERA (4.22 vs 9.39) and WHIP (1.688 vs 2.609). By the career numbers, Rinty Monahan 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.