Billy Koch vs. Alfredo Simon — Career Comparison

Alfredo Simon built a career as a starting pitcher and Billy Koch as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Billy Koch led in strikeout rate (K%+ 115 vs 83), home run suppression (HR9+ 118 vs 89), and run prevention (ERA+ 106 vs 91). Alfredo Simon held the edge in walk avoidance (BB%+ 94 vs 80). Role difference aside, Billy Koch holds a clear edge on every meaningful shared measure.