Jose Alvarez vs. Brian Shackelford — Career Comparison

Looking at the career totals, Jose Alvarez and Brian Shackelford are fairly close on the surface numbers. Jose Alvarez posted stronger numbers in ERA (2.99 vs 4.11) and home runs allowed (0.67 per nine innings vs 1.17). Brian Shackelford had the advantage in WHIP (1.283 vs 1.441). By the career numbers, Jose Alvarez 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.