Jose Mercedes vs. John Whitehead — Career Comparison

Looking at the career totals, Jose Mercedes and John Whitehead are fairly close on the surface numbers. John Whitehead posted stronger numbers in ERA (4.6 vs 4.75) and home runs allowed (0.66 per nine innings vs 1.16). Jose Mercedes had the advantage in WHIP (1.455 vs 1.532). By the career numbers, John Whitehead 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.