Art Mahaffey vs. Juan Mejia — Career Comparison

Art Mahaffey built a career as a starting pitcher and Juan Mejia as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Juan Mejia posted stronger surface numbers — ERA 3.96 and WHIP 1.272 compared to 4.17 and 1.351 for Art Mahaffey. By the career numbers, Juan Mejia had the better of this cross-role comparison — though era context would sharpen the verdict.