Chris Michalak vs. Luis Perez — Career Comparison

Chris Michalak built a career as a starting pitcher and Luis Perez as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Luis Perez posted stronger surface numbers — ERA 4.5 and WHIP 1.446 compared to 4.7 and 1.683 for Chris Michalak. By the career numbers, Luis Perez had the better of this cross-role comparison — though era context would sharpen the verdict.