Jim Peterson vs. Winfield Welch — Career Comparison

Winfield Welch built a career as a starting pitcher and Jim Peterson as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Winfield Welch posted stronger surface numbers — ERA 4.5 and WHIP 2.000 compared to 5.27 and 1.665 for Jim Peterson. By the career numbers, Winfield Welch had the better of this cross-role comparison — though era context would sharpen the verdict.