Fernando Valenzuela vs. Justin Wrobleski — Career Comparison

Looking at the career totals, Fernando Valenzuela and Justin Wrobleski are fairly close on the surface numbers. Fernando Valenzuela posted stronger numbers in ERA (3.54 vs 4.81) and home runs allowed (0.69 per nine innings vs 1.31). Justin Wrobleski had the advantage in WHIP (1.291 vs 1.343). 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.