Erik Swanson vs. Pat Zachry — Career Comparison

Pat Zachry built a career as a starting pitcher and Erik Swanson as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Erik Swanson led in walk avoidance (BB%+ 152 vs 87), run prevention (ERA+ 130 vs 100), and skill-based run prevention (DICE+ 115 vs 91). Role difference aside, Erik Swanson holds a clear edge on every meaningful shared measure.