Mason Black vs. Arnold Leon — Career Comparison

Mason Black built a career as a starting pitcher and Arnold Leon as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Arnold Leon posted stronger surface numbers — ERA 4.66 and WHIP 1.586 compared to 6.47 and 1.636 for Mason Black. By the career numbers, Arnold Leon had the better of this cross-role comparison — though era context would sharpen the verdict.