Sean Doolittle vs. Jim Shellenback — Career Comparison

Jim Shellenback built a career as a starting pitcher and Sean Doolittle as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Sean Doolittle led in walk avoidance (BB%+ 161 vs 86), strikeout rate (K%+ 114 vs 77), and skill-based run prevention (DICE+ 126 vs 97). Jim Shellenback held the edge in home run suppression (HR9+ 138 vs 114). Role difference aside, Sean Doolittle holds a clear edge on every meaningful shared measure.