Oswaldo Mairena vs. Jim McGlothlin — Career Comparison

Jim McGlothlin built a career as a starting pitcher and Oswaldo Mairena as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Jim McGlothlin posted stronger surface numbers — ERA 3.61 and WHIP 1.304 compared to 6.06 and 1.654 for Oswaldo Mairena. By the career numbers, Jim McGlothlin had the better of this cross-role comparison — though era context would sharpen the verdict.