Bill Byrd vs. Alberto Castillo — Career Comparison

Bill Byrd built a career as a starting pitcher and Alberto Castillo as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Bill Byrd posted stronger surface numbers — ERA 3.53 and WHIP 1.227 compared to 4.33 and 1.541 for Alberto Castillo. By the career numbers, Bill Byrd had the better of this cross-role comparison — though era context would sharpen the verdict.