Dennis Cook vs. Bill Hallahan — Career Comparison

Bill Hallahan built a career as a starting pitcher and Dennis Cook as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Dennis Cook posted stronger surface numbers — ERA 3.91 and WHIP 1.373 compared to 4.03 and 1.504 for Bill Hallahan. By the career numbers, Dennis Cook had the better of this cross-role comparison — though era context would sharpen the verdict.