Mike Duvall vs. Katsy Keifer — Career Comparison

Katsy Keifer built a career as a starting pitcher and Mike Duvall as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Katsy Keifer posted stronger surface numbers — ERA 2 and WHIP 0.889 compared to 4.76 and 1.863 for Mike Duvall. By the career numbers, Katsy Keifer had the better of this cross-role comparison — though era context would sharpen the verdict.