Colin Selby vs. Efrain Valdez — Career Comparison

Looking at the career totals, Colin Selby and Efrain Valdez are fairly close on the surface numbers. Efrain Valdez had the edge in ERA (2.91 vs 6.2). By the career numbers, Efrain Valdez 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.