Rich Robertson vs. Mason Thompson — Career Comparison

Rich Robertson built a career as a starting pitcher and Mason Thompson as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Mason Thompson posted stronger surface numbers — ERA 5.21 and WHIP 1.667 compared to 5.4 and 1.700 for Rich Robertson. By the career numbers, Mason Thompson had the better of this cross-role comparison — though era context would sharpen the verdict.