Roy Castleton vs. Frank Mulroney — Career Comparison

Roy Castleton built a career as a starting pitcher and Frank Mulroney as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Roy Castleton posted stronger surface numbers — ERA 2.68 and WHIP 1.260 compared to 3 and 1.000 for Frank Mulroney. By the career numbers, Roy Castleton had the better of this cross-role comparison — though era context would sharpen the verdict.