Eddie Matteson vs. Rafael Perez — Career Comparison

Eddie Matteson built a career as a starting pitcher and Rafael Perez as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Eddie Matteson posted stronger surface numbers — ERA 2.36 and WHIP 1.218 compared to 3.64 and 1.380 for Rafael Perez. By the career numbers, Eddie Matteson had the better of this cross-role comparison — though era context would sharpen the verdict.