Aaron Heilman vs. Zach Thompson — Career Comparison

Zach 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. Zach Thompson posted stronger surface numbers — ERA 4.36 and WHIP 1.383 compared to 4.4 and 1.402 for Aaron Heilman. By the career numbers, Zach Thompson had the better of this cross-role comparison — though era context would sharpen the verdict.