Mark Mercer vs. Steel Arm Johnny Taylor — Career Comparison

Steel Arm Johnny Taylor 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. Steel Arm Johnny Taylor posted stronger surface numbers — ERA 3.52 and WHIP 1.234 compared to 4.7 and 1.826 for Mark Mercer. By the career numbers, Steel Arm Johnny Taylor had the better of this cross-role comparison — though era context would sharpen the verdict.