David Aardsma vs. Bump Hadley — Career Comparison

Bump Hadley built a career as a starting pitcher and David Aardsma as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Bump Hadley posted stronger surface numbers — ERA 4.24 and WHIP 1.501 compared to 4.27 and 1.487 for David Aardsma. By the career numbers, Bump Hadley had the better of this cross-role comparison — though era context would sharpen the verdict.