Dave Heaverlo vs. John Henry Johnson — Career Comparison

John Henry Johnson built a career as a starting pitcher and Dave Heaverlo as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Dave Heaverlo led in home run suppression (HR9+ 113 vs 79), walk avoidance (BB%+ 113 vs 81), and run prevention (ERA+ 122 vs 102). John Henry Johnson held the edge in strikeout rate (K%+ 108 vs 96). Role difference aside, Dave Heaverlo holds a clear edge on every meaningful shared measure.