Hal Deviney vs. John Johnstone — Career Comparison

Looking at the career totals, Hal Deviney and John Johnstone are fairly close on the surface numbers. John Johnstone posted stronger numbers in ERA (4.01 vs 15) and WHIP (1.455 vs 3.000). Hal Deviney had the advantage in home runs allowed (0 per nine innings vs 1.23). By the career numbers, John Johnstone 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.