Jose Diaz vs. Freddie Martinez — Career Comparison

Freddie Martinez 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. Freddie Martinez posted stronger surface numbers — ERA 4.46 and WHIP 1.410 compared to 9.39 and 2.609 for Jose Diaz. By the career numbers, Freddie Martinez had the better of this cross-role comparison — though era context would sharpen the verdict.