Diego Moreno vs. Herb Pennock — Career Comparison

Herb Pennock built a career as a starting pitcher and Diego Moreno as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Herb Pennock posted stronger surface numbers — ERA 3.6 and WHIP 1.348 compared to 5.06 and 1.250 for Diego Moreno. By the career numbers, Herb Pennock had the better of this cross-role comparison — though era context would sharpen the verdict.