Bill Campbell vs. Steve Kline — Career Comparison

Steve Kline built a career as a starting pitcher and Bill Campbell as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Steve Kline led in walk avoidance (BB%+ 177 vs 100), run prevention (ERA+ 118 vs 98), and skill-based run prevention (DICE+ 105 vs 101). Bill Campbell held the edge in strikeout rate (K%+ 97 vs 62). Keeping the role difference in mind, the edge still goes to Steve Kline.