Michael Mercado vs. Allan Simpson — Career Comparison

Michael Mercado built a career as a starting pitcher and Allan Simpson as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Allan Simpson posted stronger surface numbers — ERA 6.06 and WHIP 1.694 compared to 11.81 and 2.250 for Michael Mercado. By the career numbers, Allan Simpson had the better of this cross-role comparison — though era context would sharpen the verdict.