Sammy Peralta vs. Rich Robertson — Career Comparison

Rich Robertson built a career as a starting pitcher and Sammy Peralta as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Sammy Peralta posted stronger surface numbers — ERA 5.12 and WHIP 1.774 compared to 5.4 and 1.700 for Rich Robertson. By the career numbers, Sammy Peralta had the better of this cross-role comparison — though era context would sharpen the verdict.