Jose Alvarez vs. Chris Piersoll — Career Comparison

Looking at the career totals, Jose Alvarez and Chris Piersoll are fairly close on the surface numbers. Chris Piersoll posted stronger numbers in ERA (2.38 vs 2.99) and home runs allowed (0 per nine innings vs 0.67). Jose Alvarez had the advantage in WHIP (1.441 vs 1.588). By the career numbers, Chris Piersoll 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.