Rogelio Martinez vs. Harley Parker — Career Comparison

Rogelio Martinez built a career as a starting pitcher and Harley Parker as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Harley Parker posted stronger surface numbers — ERA 5.9 and WHIP 1.749 compared to 27 and 4.500 for Rogelio Martinez. By the career numbers, Harley Parker had the better of this cross-role comparison — though era context would sharpen the verdict.