George Caster vs. Humberto Robinson — Career Comparison

George Caster built a career as a starting pitcher and Humberto Robinson as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Humberto Robinson posted stronger surface numbers — ERA 3.25 and WHIP 1.385 compared to 4.54 and 1.500 for George Caster. By the career numbers, Humberto Robinson had the better of this cross-role comparison — though era context would sharpen the verdict.