Jose Diaz vs. Frank MacCormack — Career Comparison

Frank MacCormack 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. Frank MacCormack posted stronger surface numbers — ERA 5.45 and WHIP 2.143 compared to 9.39 and 2.609 for Jose Diaz. By the career numbers, Frank MacCormack had the better of this cross-role comparison — though era context would sharpen the verdict.