John Smoltz vs. Dan Spillner — Career Comparison

John Smoltz built a career as a starting pitcher and Dan Spillner 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 93), home run suppression (HR9+ 106 vs 77), and skill-based run prevention (DICE+ 107 vs 90). Dan Spillner held the edge in walk avoidance (BB%+ 93 vs 91). Role difference aside, John Smoltz holds a clear edge on every meaningful shared measure.