Casey Janssen vs. Dontrelle Willis — Career Comparison

Dontrelle Willis built a career as a starting pitcher and Casey Janssen as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Dontrelle Willis led in home run suppression (HR9+ 148 vs 85), run prevention (ERA+ 122 vs 87), and strikeout rate (K%+ 106 vs 76). Casey Janssen held the edge in walk avoidance (BB%+ 171 vs 107). Role difference aside, Dontrelle Willis holds a clear edge on every meaningful shared measure.