Bert Cole vs. Frank Killen — Career Comparison

Bert Cole built a career as a starting pitcher and Frank Killen as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Frank Killen posted stronger surface numbers — ERA 3.78 and WHIP 1.414 compared to 4.67 and 1.593 for Bert Cole. By the career numbers, Frank Killen had the better of this cross-role comparison — though era context would sharpen the verdict.