Brad Keller vs. Mark Williamson — Career Comparison

Brad Keller built a career as a starting pitcher and Mark Williamson as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Mark Williamson led in walk avoidance (BB%+ 126 vs 80), run prevention (ERA+ 113 vs 102), and strikeout rate (K%+ 88 vs 80). Brad Keller held the edge in home run suppression (HR9+ 171 vs 94). Keeping the role difference in mind, the edge still goes to Mark Williamson.