Charlie Kerfeld vs. Carl Mays — Career Comparison

Carl Mays built a career as a starting pitcher and Charlie Kerfeld as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Carl Mays posted stronger surface numbers — ERA 2.92 and WHIP 1.207 compared to 4.2 and 1.572 for Charlie Kerfeld. By the career numbers, Carl Mays had the better of this cross-role comparison — though era context would sharpen the verdict.