Juan Castillo vs. Grant Dayton — Career Comparison

Juan Castillo built a career as a starting pitcher and Grant Dayton as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Grant Dayton posted stronger surface numbers — ERA 3.43 and WHIP 1.212 compared to 6.94 and 1.886 for Juan Castillo. By the career numbers, Grant Dayton had the better of this cross-role comparison — though era context would sharpen the verdict.