John Halama vs. Erik Swanson — Career Comparison

John Halama 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 strikeout rate (K%+ 109 vs 76), run prevention (ERA+ 130 vs 105), and walk avoidance (BB%+ 152 vs 129). John Halama held the edge in home run suppression (HR9+ 97 vs 95). Role difference aside, Erik Swanson holds a clear edge on every meaningful shared measure.