John Allen vs. Alex Vesia — Career Comparison

Looking at the career totals, John Allen and Alex Vesia are fairly close on the surface numbers. Alex Vesia posted stronger numbers in ERA (2.92 vs 18) and WHIP (1.170 vs 2.000). John Allen had the advantage in home runs allowed (0 per nine innings vs 1.12). By the career numbers, Alex Vesia 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.