Hal Deviney vs. Mike Jackson — Career Comparison

Looking at the career totals, Hal Deviney and Mike Jackson are fairly close on the surface numbers. Mike Jackson posted stronger numbers in ERA (5.8 vs 15) and WHIP (1.973 vs 3.000). Hal Deviney had the advantage in home runs allowed (0 per nine innings vs 0.54). By the career numbers, Mike Jackson 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.