Luis Arroyo vs. Unknown Hamilton — Career Comparison

Unknown Hamilton built a career as a starting pitcher and Luis Arroyo as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Luis Arroyo posted stronger surface numbers — ERA 3.93 and WHIP 1.440 compared to 8.1 and 2.400 for Unknown Hamilton. By the career numbers, Luis Arroyo had the better of this cross-role comparison — though era context would sharpen the verdict.