Unknown Allison vs. Nino Espinosa — Career Comparison

Looking at the career totals, Unknown Allison and Nino Espinosa are fairly close on the surface numbers. Unknown Allison had the edge in ERA (3 vs 4.17). 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.