William Matthews vs. Vin Mazzaro — Career Comparison

Vin Mazzaro built a career as a starting pitcher and William Matthews as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. William Matthews posted stronger surface numbers — ERA 3.24 and WHIP 1.560 compared to 4.79 and 1.580 for Vin Mazzaro. By the career numbers, William Matthews had the better of this cross-role comparison — though era context would sharpen the verdict.