Ben Callahan vs. Faustino Valdés — Career Comparison

Looking at the career totals, Ben Callahan and Faustino Valdés are fairly close on the surface numbers. Faustino Valdés posted stronger numbers in ERA (4.62 vs 12.54) and WHIP (1.549 vs 2.571). Ben Callahan had the advantage in home runs allowed (0 per nine innings vs 0.37). By the career numbers, Faustino Valdés 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.