Mark Johnson vs. Harry Swan — Career Comparison

Mark Johnson built a career as a starting pitcher and Harry Swan as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Harry Swan posted stronger surface numbers — ERA 0 and WHIP 1.000 compared to 7.5 and 1.750 for Mark Johnson. By the career numbers, Harry Swan had the better of this cross-role comparison — though era context would sharpen the verdict.