David Cone vs. Clem Llewellyn — Career Comparison

David Cone built a career as a starting pitcher and Clem Llewellyn as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Clem Llewellyn posted stronger surface numbers — ERA 0 and WHIP 1.000 compared to 3.46 and 1.271 for David Cone. By the career numbers, Clem Llewellyn had the better of this cross-role comparison — though era context would sharpen the verdict.