Joe Kohlman vs. Jim Roberts — Career Comparison

Jim Roberts built a career as a starting pitcher and Joe Kohlman as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Joe Kohlman posted stronger surface numbers — ERA 5.27 and WHIP 1.500 compared to 7.18 and 1.899 for Jim Roberts. By the career numbers, Joe Kohlman had the better of this cross-role comparison — though era context would sharpen the verdict.