Brad Keller vs. Alan Wirth — Career Comparison

Looking at the career totals, Brad Keller and Alan Wirth are fairly close on the surface numbers. Alan Wirth had the edge in ERA (3.78 vs 4.14). By the career numbers, Alan Wirth 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.