Brendan Donnelly vs. Mark Mulder — Career Comparison

Mark Mulder built a career as a starting pitcher and Brendan Donnelly as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Brendan Donnelly led in home run suppression (HR9+ 196 vs 129), run prevention (ERA+ 168 vs 116), and strikeout rate (K%+ 140 vs 96). Role difference aside, Brendan Donnelly holds a clear edge on every meaningful shared measure.