Lefty Clarke vs. John Mackinson — Career Comparison

Lefty Clarke 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. Lefty Clarke posted stronger surface numbers — ERA 5.4 and WHIP 1.800 compared to 7.36 and 1.773 for John Mackinson. By the career numbers, Lefty Clarke had the better of this cross-role comparison — though era context would sharpen the verdict.