Unknown Clark vs. Unknown Haley — Career Comparison

On the career pitching numbers, Unknown Clark posted a stronger line than Unknown Haley. Unknown Clark posted stronger numbers in ERA (7.5 vs 13.5) and WHIP (1.500 vs 2.167). By the career numbers, Unknown Clark 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.