Jack Leiter vs. Ed Mars — Career Comparison

Jack Leiter built a career as a starting pitcher and Ed Mars as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Ed Mars posted stronger surface numbers — ERA 4.67 and WHIP 1.492 compared to 4.8 and 1.361 for Jack Leiter. By the career numbers, Ed Mars had the better of this cross-role comparison — though era context would sharpen the verdict.