Charlie Kerfeld vs. George Mullin — Career Comparison

George Mullin 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. George Mullin posted stronger surface numbers — ERA 2.82 and WHIP 1.290 compared to 4.2 and 1.572 for Charlie Kerfeld. By the career numbers, George Mullin had the better of this cross-role comparison — though era context would sharpen the verdict.