Alejandro Chacin vs. Michael Mercado — Career Comparison

Michael Mercado built a career as a starting pitcher and Alejandro Chacin as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Alejandro Chacin posted stronger surface numbers — ERA 10.5 and WHIP 2.500 compared to 11.81 and 2.250 for Michael Mercado. By the career numbers, Alejandro Chacin had the better of this cross-role comparison — though era context would sharpen the verdict.