Max Castillo vs. Ed O'Neil — Career Comparison

Max Castillo built a career as a starting pitcher and Ed O'Neil as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Max Castillo posted stronger surface numbers — ERA 5.43 and WHIP 1.391 compared to 9.26 and 2.294 for Ed O'Neil. By the career numbers, Max Castillo had the better of this cross-role comparison — though era context would sharpen the verdict.