Bobby Cassevah vs. Mike Willis — Career Comparison

On the career pitching numbers, Bobby Cassevah posted a stronger line than Mike Willis. Bobby Cassevah posted stronger numbers in ERA (3.2 vs 4.59) and WHIP (1.454 vs 1.524). By the career numbers, Bobby Cassevah 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.