Luis de los Santos vs. Ken Penner — Career Comparison

Luis de los Santos built a career as a starting pitcher and Ken Penner as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Ken Penner posted stronger surface numbers — ERA 3.55 and WHIP 1.500 compared to 11.57 and 2.000 for Luis de los Santos. By the career numbers, Ken Penner had the better of this cross-role comparison — though era context would sharpen the verdict.