Clem Llewellyn vs. Melvin Mercedes — Career Comparison

Looking at the career totals, Clem Llewellyn and Melvin Mercedes are fairly close on the surface numbers. Melvin Mercedes had the edge in WHIP (0.000 vs 1.000). By the career numbers, Melvin Mercedes 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.