Hal Deviney vs. Bill Mountjoy — Career Comparison

Looking at the career totals, Hal Deviney and Bill Mountjoy are fairly close on the surface numbers. Bill Mountjoy posted stronger numbers in ERA (3.25 vs 15) and WHIP (1.219 vs 3.000). Hal Deviney had the advantage in home runs allowed (0 per nine innings vs 0.2). By the career numbers, Bill Mountjoy 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.