Mark Mercer vs. Hank Thormahlen — Career Comparison

Hank Thormahlen built a career as a starting pitcher and Mark Mercer as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Hank Thormahlen posted stronger surface numbers — ERA 3.33 and WHIP 1.333 compared to 4.7 and 1.826 for Mark Mercer. By the career numbers, Hank Thormahlen had the better of this cross-role comparison — though era context would sharpen the verdict.