Hisashi Iwakuma vs. Derrick Turnbow — Career Comparison

Hisashi Iwakuma built a career as a starting pitcher and Derrick Turnbow as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Hisashi Iwakuma led in walk avoidance (BB%+ 160 vs 70), skill-based run prevention (DICE+ 109 vs 102), and run prevention (ERA+ 124 vs 124). Derrick Turnbow held the edge in home run suppression (HR9+ 119 vs 96). Keeping the role difference in mind, the edge still goes to Hisashi Iwakuma.