Chuck Hartenstein vs. Jim O'Toole — Career Comparison

Jim O'Toole built a career as a starting pitcher and Chuck Hartenstein as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Jim O'Toole led in strikeout rate (K%+ 97 vs 71), home run suppression (HR9+ 105 vs 81), and skill-based run prevention (DICE+ 97 vs 89). Chuck Hartenstein held the edge in walk avoidance (BB%+ 127 vs 89). Role difference aside, Jim O'Toole holds a clear edge on every meaningful shared measure.