Hayden Birdsong vs. Faustino Valdés — Career Comparison

Looking at the career totals, Hayden Birdsong and Faustino Valdés are fairly close on the surface numbers. Faustino Valdés posted stronger numbers in ERA (4.62 vs 4.77) and home runs allowed (0.37 per nine innings vs 1.37). Hayden Birdsong had the advantage in WHIP (1.438 vs 1.549). 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.