Unknown Allison vs. Paul Penson — Career Comparison

Looking at the career totals, Unknown Allison and Paul Penson are fairly close on the surface numbers. Unknown Allison posted stronger numbers in ERA (3 vs 4.5) and WHIP (1.444 vs 1.750). Paul Penson had the advantage in home runs allowed (0.56 per nine innings vs 1). By the career numbers, Unknown Allison 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.