Unknown Allison vs. Aaron Heilman — Career Comparison

Unknown Allison 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. Unknown Allison posted stronger surface numbers — ERA 3 and WHIP 1.444 compared to 4.4 and 1.402 for Aaron Heilman. By the career numbers, Unknown Allison had the better of this cross-role comparison — though era context would sharpen the verdict.