Win Mercer vs. Paul Pettit — Career Comparison

Paul Pettit built a career as a starting pitcher and Win Mercer as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Win Mercer posted stronger surface numbers — ERA 3.98 and WHIP 1.544 compared to 7.34 and 1.826 for Paul Pettit. By the career numbers, Win Mercer had the better of this cross-role comparison — though era context would sharpen the verdict.