Robert Manuel vs. Marc Valdes — Career Comparison

Looking at the career totals, Robert Manuel and Marc Valdes are fairly close on the surface numbers. Robert Manuel posted stronger numbers in ERA (3.18 vs 4.95) and WHIP (1.412 vs 1.628). Marc Valdes had the advantage in home runs allowed (0.75 per nine innings vs 2.65). By the career numbers, Robert Manuel 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.