Max Castillo vs. Kewpie Pennington — Career Comparison

Max Castillo built a career as a starting pitcher and Kewpie Pennington as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Kewpie Pennington posted stronger surface numbers — ERA 0 and WHIP 1.000 compared to 5.43 and 1.391 for Max Castillo. By the career numbers, Kewpie Pennington had the better of this cross-role comparison — though era context would sharpen the verdict.