John Mackinson vs. Al Piechota — Career Comparison

Al Piechota 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. Al Piechota posted stronger surface numbers — ERA 5.66 and WHIP 1.774 compared to 7.36 and 1.773 for John Mackinson. By the career numbers, Al Piechota had the better of this cross-role comparison — though era context would sharpen the verdict.