Ian Krol vs. Andy Sonnanstine — Career Comparison

Andy Sonnanstine built a career as a starting pitcher and Ian Krol as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Ian Krol led in home run suppression (HR9+ 114 vs 96), run prevention (ERA+ 103 vs 90), and skill-based run prevention (DICE+ 111 vs 109). Andy Sonnanstine held the edge in walk avoidance (BB%+ 172 vs 127). Keeping the role difference in mind, the edge still goes to Ian Krol.