Unknown Allison vs. Fernando Valenzuela — Career Comparison

Looking at the career totals, Unknown Allison and Fernando Valenzuela are fairly close on the surface numbers. Fernando Valenzuela posted stronger numbers in WHIP (1.343 vs 1.444) and home runs allowed (0.69 per nine innings vs 1). Unknown Allison had the advantage in ERA (3 vs 3.54). By the career numbers, Fernando Valenzuela 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.