Jason Anderson vs. Frank Wills — Career Comparison

On the career pitching numbers, Frank Wills posted a stronger line than Jason Anderson. Frank Wills posted stronger numbers in ERA (5.06 vs 6.39) and WHIP (1.501 vs 1.974). By the career numbers, Frank Wills 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.