Ian Kennedy vs. Devin Williams — Career Comparison

Ian Kennedy built a career as a starting pitcher and Devin Williams as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Devin Williams led in home run suppression (HR9+ 201 vs 72), run prevention (ERA+ 182 vs 91), and skill-based run prevention (DICE+ 167 vs 87). Ian Kennedy held the edge in walk avoidance (BB%+ 92 vs 84). Role difference aside, Devin Williams holds a clear edge on every meaningful shared measure.