Kumar Rocker vs. Grant Thatcher — Career Comparison

Kumar Rocker built a career as a starting pitcher and Grant Thatcher as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Grant Thatcher posted stronger surface numbers — ERA 3.16 and WHIP 1.378 compared to 5.45 and 1.474 for Kumar Rocker. By the career numbers, Grant Thatcher had the better of this cross-role comparison — though era context would sharpen the verdict.