David Aardsma vs. Shane Baz — Career Comparison

Shane Baz 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. Shane Baz posted stronger surface numbers — ERA 4.25 and WHIP 1.227 compared to 4.27 and 1.487 for David Aardsma. By the career numbers, Shane Baz had the better of this cross-role comparison — though era context would sharpen the verdict.