David Aardsma vs. B. Brown — Career Comparison

B. Brown 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. B. Brown posted stronger surface numbers — ERA 2.23 and WHIP 0.970 compared to 4.27 and 1.487 for David Aardsma. By the career numbers, B. Brown had the better of this cross-role comparison — though era context would sharpen the verdict.