Larry Dierker vs. David Robertson — Career Comparison

Larry Dierker built a career as a starting pitcher and David Robertson as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. David Robertson led in strikeout rate (K%+ 136 vs 105), run prevention (ERA+ 128 vs 104), and home run suppression (HR9+ 114 vs 91). Larry Dierker held the edge in walk avoidance (BB%+ 102 vs 84). Role difference aside, David Robertson holds a clear edge on every meaningful shared measure.