Shane Bieber vs. John Johnstone — Career Comparison

Shane Bieber 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. Shane Bieber led in home run suppression (HR9+ 129 vs 82), skill-based run prevention (DICE+ 133 vs 104), and walk avoidance (BB%+ 154 vs 147). John Johnstone held the edge in run prevention (ERA+ 127 vs 122). Role difference aside, Shane Bieber holds a clear edge on every meaningful shared measure.