Ivan Nova vs. Mike Willis — Career Comparison

Ivan Nova built a career as a starting pitcher and Mike Willis as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Ivan Nova led in home run suppression (HR9+ 98 vs 61), walk avoidance (BB%+ 132 vs 100), and run prevention (ERA+ 99 vs 81). Mike Willis held the edge in strikeout rate (K%+ 87 vs 82). Role difference aside, Ivan Nova holds a clear edge on every meaningful shared measure.