John Mackinson vs. Sterling Slaughter — Career Comparison

Sterling Slaughter 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. Sterling Slaughter posted stronger surface numbers — ERA 5.75 and WHIP 1.974 compared to 7.36 and 1.773 for John Mackinson. By the career numbers, Sterling Slaughter had the better of this cross-role comparison — though era context would sharpen the verdict.