Dan Dumoulin vs. Bob Katz — Career Comparison

Bob Katz 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. Bob Katz posted stronger surface numbers — ERA 3.93 and WHIP 1.309 compared to 7.84 and 2.613 for Dan Dumoulin. By the career numbers, Bob Katz had the better of this cross-role comparison — though era context would sharpen the verdict.