John Anderson vs. Unknown Hayes — Career Comparison

On the career pitching numbers, Unknown Hayes posted a stronger line than John Anderson. Unknown Hayes posted stronger numbers in ERA (6.23 vs 6.45) and WHIP (1.385 vs 1.813). By the career numbers, Unknown Hayes 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.