Luis Castillo vs. Diego Moreno — Career Comparison

Luis Castillo 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. Luis Castillo posted stronger surface numbers — ERA 3.55 and WHIP 1.183 compared to 5.06 and 1.250 for Diego Moreno. By the career numbers, Luis Castillo had the better of this cross-role comparison — though era context would sharpen the verdict.