David Cone vs. Mike Sullivan — Career Comparison

David Cone built a career as a starting pitcher and Mike Sullivan as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. David Cone posted stronger surface numbers — ERA 3.46 and WHIP 1.271 compared to 5.04 and 1.674 for Mike Sullivan. By the career numbers, David Cone had the better of this cross-role comparison — though era context would sharpen the verdict.