Jose Mercedes vs. Jim Siwy — Career Comparison

Looking at the career totals, Jose Mercedes and Jim Siwy are fairly close on the surface numbers. Jose Mercedes posted stronger numbers in ERA (4.75 vs 7.15) and WHIP (1.455 vs 1.765). Jim Siwy had the advantage in home runs allowed (0.79 per nine innings vs 1.16). By the career numbers, Jose 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.