Daisuke Matsuzaka vs. B. J. Ryan — Career Comparison

Daisuke Matsuzaka built a career as a starting pitcher and B. J. Ryan as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. B. J. Ryan led in home run suppression (HR9+ 200 vs 130), skill-based run prevention (DICE+ 114 vs 107), and strikeout rate (K%+ 134 vs 131). Daisuke Matsuzaka held the edge in run prevention (ERA+ 117 vs 108). Role difference aside, B. J. Ryan holds a clear edge on every meaningful shared measure.