Win Kellum vs. John Mackinson — Career Comparison

Win Kellum built a career as a starting pitcher and John Mackinson as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Win Kellum posted stronger surface numbers — ERA 3.19 and WHIP 1.154 compared to 7.36 and 1.773 for John Mackinson. By the career numbers, Win Kellum had the better of this cross-role comparison — though era context would sharpen the verdict.