Grant Hartwig vs. Charlie King — Career Comparison

Charlie King built a career as a starting pitcher and Grant Hartwig as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Grant Hartwig posted stronger surface numbers — ERA 5.14 and WHIP 1.429 compared to 11.85 and 2.268 for Charlie King. By the career numbers, Grant Hartwig had the better of this cross-role comparison — though era context would sharpen the verdict.