Unknown Clark vs. Don McMahon — Career Comparison

Unknown Clark built a career as a starting pitcher and Don McMahon as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Don McMahon posted stronger surface numbers — ERA 2.96 and WHIP 1.310 compared to 7.5 and 1.500 for Unknown Clark. By the career numbers, Don McMahon had the better of this cross-role comparison — though era context would sharpen the verdict.