Carlos Frias vs. J. D. Hammer — Career Comparison

Carlos Frias built a career as a starting pitcher and J. D. Hammer as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. J. D. Hammer posted stronger surface numbers — ERA 4.38 and WHIP 1.538 compared to 4.5 and 1.395 for Carlos Frias. By the career numbers, J. D. Hammer had the better of this cross-role comparison — though era context would sharpen the verdict.