Charlie Kerfeld vs. John Tsitouris — Career Comparison

John Tsitouris 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 75), run prevention (ERA+ 116 vs 90), and skill-based run prevention (DICE+ 109 vs 88). John Tsitouris held the edge in walk avoidance (BB%+ 95 vs 81). Role difference aside, Charlie Kerfeld holds a clear edge on every meaningful shared measure.