Sammy Peralta vs. Jim Roberts — Career Comparison

Jim Roberts 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 7.18 and 1.899 for Jim Roberts. By the career numbers, Sammy Peralta had the better of this cross-role comparison — though era context would sharpen the verdict.