Lee Gregory vs. Bill Hallahan — Career Comparison

Bill Hallahan built a career as a starting pitcher and Lee Gregory as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Lee Gregory posted stronger surface numbers — ERA 3.5 and WHIP 1.667 compared to 4.03 and 1.504 for Bill Hallahan. By the career numbers, Lee Gregory had the better of this cross-role comparison — though era context would sharpen the verdict.