Charlie Kerfeld vs. Tom Seaver — Career Comparison

Tom Seaver built a career as a starting pitcher and Charlie Kerfeld as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Charlie Kerfeld led in home run suppression (HR9+ 170 vs 85), skill-based run prevention (DICE+ 109 vs 92), and strikeout rate (K%+ 112 vs 102). Tom Seaver held the edge in walk avoidance (BB%+ 91 vs 81). Role difference aside, Charlie Kerfeld holds a clear edge on every meaningful shared measure.