Aaron Heilman vs. Mark Thompson — Career Comparison

Mark Thompson built a career as a starting pitcher and Aaron Heilman as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Aaron Heilman posted stronger surface numbers — ERA 4.4 and WHIP 1.402 compared to 5.74 and 1.688 for Mark Thompson. By the career numbers, Aaron Heilman had the better of this cross-role comparison — though era context would sharpen the verdict.