Bruce Chen vs. Mike Willis — Career Comparison

Bruce Chen 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. Bruce Chen led in run prevention (ERA+ 101 vs 81), home run suppression (HR9+ 80 vs 61), and strikeout rate (K%+ 98 vs 87). Mike Willis held the edge in walk avoidance (BB%+ 100 vs 99). Role difference aside, Bruce Chen holds a clear edge on every meaningful shared measure.