David Aardsma vs. Zack Wheeler — Career Comparison

Zack Wheeler 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. Zack Wheeler led in walk avoidance (BB%+ 100 vs 76), skill-based run prevention (DICE+ 117 vs 99), and home run suppression (HR9+ 130 vs 114). David Aardsma held the edge in strikeout rate (K%+ 120 vs 114). Role difference aside, Zack Wheeler holds a clear edge on every meaningful shared measure.