Eddie Matteson vs. John Shaffer — Career Comparison

Eddie Matteson built a career as a starting pitcher and John Shaffer 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 4.57 and 1.492 for John Shaffer. By the career numbers, Eddie Matteson had the better of this cross-role comparison — though era context would sharpen the verdict.