Luis Arroyo vs. Scott Kamieniecki — Career Comparison

Scott Kamieniecki 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 4.52 and 1.523 for Scott Kamieniecki. By the career numbers, Luis Arroyo had the better of this cross-role comparison — though era context would sharpen the verdict.