John Harkins vs. Jose Mercedes — Career Comparison

Jose Mercedes built a career as a starting pitcher and John Harkins as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. John Harkins posted stronger surface numbers — ERA 4.09 and WHIP 1.369 compared to 4.75 and 1.455 for Jose Mercedes. By the career numbers, John Harkins had the better of this cross-role comparison — though era context would sharpen the verdict.