James Cox vs. Frank Hafner — Career Comparison

James Cox built a career as a starting pitcher and Frank Hafner as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Frank Hafner posted stronger surface numbers — ERA 7 and WHIP 2.222 compared to 9 and 2.143 for James Cox. By the career numbers, Frank Hafner had the better of this cross-role comparison — though era context would sharpen the verdict.