Tanner Roark vs. Mike Willis — Career Comparison

Tanner Roark 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. Tanner Roark led in home run suppression (HR9+ 97 vs 61), walk avoidance (BB%+ 122 vs 100), and run prevention (ERA+ 101 vs 81). Role difference aside, Tanner Roark holds a clear edge on every meaningful shared measure.