Tanner Scheppers vs. John Smoltz — Career Comparison

John Smoltz built a career as a starting pitcher and Tanner Scheppers as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. John Smoltz led in strikeout rate (K%+ 124 vs 87), skill-based run prevention (DICE+ 107 vs 86), and home run suppression (HR9+ 106 vs 102). Tanner Scheppers held the edge in run prevention (ERA+ 134 vs 106). Role difference aside, John Smoltz holds a clear edge on every meaningful shared measure.