Frank Allen vs. Mark Rogers — Career Comparison

Looking at the career totals, Frank Allen and Mark Rogers are fairly close on the surface numbers. Frank Allen posted stronger numbers in ERA (2.93 vs 3.49) and home runs allowed (0.24 per nine innings vs 0.92). Mark Rogers had the advantage in WHIP (1.122 vs 1.305). By the career numbers, Frank Allen 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.