Roy Johnson vs. Ismael Valdez — Career Comparison

Looking at the career totals, Roy Johnson and Ismael Valdez are fairly close on the surface numbers. Roy Johnson posted stronger numbers in ERA (3.42 vs 4.09) and home runs allowed (0 per nine innings vs 1.15). Ismael Valdez had the advantage in WHIP (1.332 vs 1.620). By the career numbers, Roy Johnson 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.