Rudy Arias vs. Unknown Waters — Career Comparison

On the career pitching numbers, Unknown Waters posted a stronger line than Rudy Arias. Unknown Waters posted stronger numbers in ERA (3.6 vs 4.09) and WHIP (1.600 vs 1.727). By the career numbers, Unknown Waters 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.