Jack Cassel vs. Frank Stewart — Career Comparison

Looking at the career totals, Jack Cassel and Frank Stewart are fairly close on the surface numbers. Jack Cassel posted stronger numbers in ERA (4.92 vs 9) and WHIP (1.566 vs 2.250). Frank Stewart had the advantage in home runs allowed (0 per nine innings vs 1.02). By the career numbers, Jack Cassel 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.