Keith Brown vs. Prudencio Martínez — Career Comparison

Prudencio Martínez built a career as a starting pitcher and Keith Brown as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Keith Brown posted stronger surface numbers — ERA 3.4 and WHIP 1.469 compared to 4.42 and 1.434 for Prudencio Martínez. By the career numbers, Keith Brown had the better of this cross-role comparison — though era context would sharpen the verdict.