Mike O'Connor vs. Sammy Peralta — Career Comparison

Mike O'Connor 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 5.3 and 1.459 for Mike O'Connor. By the career numbers, Sammy Peralta had the better of this cross-role comparison — though era context would sharpen the verdict.