Larry Dierker vs. John Johnstone — Career Comparison

Larry Dierker built a career as a starting pitcher and John Johnstone as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. John Johnstone led in walk avoidance (BB%+ 147 vs 102), run prevention (ERA+ 127 vs 104), and skill-based run prevention (DICE+ 104 vs 98). Larry Dierker held the edge in home run suppression (HR9+ 91 vs 82). Role difference aside, John Johnstone holds a clear edge on every meaningful shared measure.