Dan Dumoulin vs. Mark Johnson — Career Comparison

Mark Johnson built a career as a starting pitcher and Dan Dumoulin as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Mark Johnson posted stronger surface numbers — ERA 7.5 and WHIP 1.750 compared to 7.84 and 2.613 for Dan Dumoulin. By the career numbers, Mark Johnson had the better of this cross-role comparison — though era context would sharpen the verdict.