Jack Harper vs. Al Mahon — Career Comparison

Jack Harper built a career as a starting pitcher and Al Mahon as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Jack Harper posted stronger surface numbers — ERA 3.55 and WHIP 1.345 compared to 22.85 and 4.154 for Al Mahon. By the career numbers, Jack Harper had the better of this cross-role comparison — though era context would sharpen the verdict.