Mike Duvall vs. Jack Kramer — Career Comparison

Jack Kramer 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. Jack Kramer posted stronger surface numbers — ERA 4.24 and WHIP 1.492 compared to 4.76 and 1.863 for Mike Duvall. By the career numbers, Jack Kramer had the better of this cross-role comparison — though era context would sharpen the verdict.