Jose Diaz vs. Prudencio Martínez — Career Comparison

Prudencio Martínez built a career as a starting pitcher and Jose Diaz as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Prudencio Martínez posted stronger surface numbers — ERA 4.42 and WHIP 1.434 compared to 9.39 and 2.609 for Jose Diaz. By the career numbers, Prudencio Martínez had the better of this cross-role comparison — though era context would sharpen the verdict.