John Holdzkom vs. Robin Roberts — Career Comparison

Robin Roberts built a career as a starting pitcher and John Holdzkom as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. John Holdzkom posted stronger surface numbers — ERA 2 and WHIP 0.667 compared to 3.41 and 1.184 for Robin Roberts. By the career numbers, John Holdzkom had the better of this cross-role comparison — though era context would sharpen the verdict.