Bart Johnson vs. Erik Swanson — Career Comparison

Bart Johnson 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 100), run prevention (ERA+ 130 vs 109), and skill-based run prevention (DICE+ 115 vs 108). Bart Johnson held the edge in home run suppression (HR9+ 136 vs 95). Keeping the role difference in mind, the edge still goes to Erik Swanson.