Joe Kelly vs. Big Jeff Pfeffer — Career Comparison

Big Jeff Pfeffer built a career as a starting pitcher and Joe Kelly as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Big Jeff Pfeffer posted stronger surface numbers — ERA 3.3 and WHIP 1.368 compared to 3.98 and 1.381 for Joe Kelly. By the career numbers, Big Jeff Pfeffer had the better of this cross-role comparison — though era context would sharpen the verdict.