Don Aase vs. Doug Fister — Career Comparison

Doug Fister built a career as a starting pitcher and Don Aase as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Doug Fister led in walk avoidance (BB%+ 148 vs 84), run prevention (ERA+ 114 vs 87), and home run suppression (HR9+ 112 vs 87). Don Aase held the edge in strikeout rate (K%+ 90 vs 81). Role difference aside, Doug Fister holds a clear edge on every meaningful shared measure.