Bill Irwin vs. Fred Mitchell — Career Comparison

Fred Mitchell built a career as a starting pitcher and Bill Irwin as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Fred Mitchell posted stronger surface numbers — ERA 4.1 and WHIP 1.544 compared to 5.82 and 1.529 for Bill Irwin. By the career numbers, Fred Mitchell had the better of this cross-role comparison — though era context would sharpen the verdict.