Jack Hallett vs. Jim Sullivan — Career Comparison

Jack Hallett built a career as a starting pitcher and Jim Sullivan as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Jack Hallett posted stronger surface numbers — ERA 4.05 and WHIP 1.390 compared to 4.5 and 1.541 for Jim Sullivan. By the career numbers, Jack Hallett had the better of this cross-role comparison — though era context would sharpen the verdict.