Edwin Jackson vs. Mike Rowland — Career Comparison

Edwin Jackson built a career as a starting pitcher and Mike Rowland as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Mike Rowland posted stronger surface numbers — ERA 2.74 and WHIP 1.195 compared to 4.78 and 1.486 for Edwin Jackson. By the career numbers, Mike Rowland had the better of this cross-role comparison — though era context would sharpen the verdict.