John Allen vs. Brian Fuentes — Career Comparison

Looking at the career totals, John Allen and Brian Fuentes are fairly close on the surface numbers. Brian Fuentes posted stronger numbers in ERA (3.62 vs 18) and WHIP (1.301 vs 2.000). John Allen had the advantage in home runs allowed (0 per nine innings vs 0.94). By the career numbers, Brian Fuentes 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.