Bob Gibson vs. Justin Haley — Career Comparison

Bob Gibson built a career as a starting pitcher and Justin Haley as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Bob Gibson posted stronger surface numbers — ERA 2.91 and WHIP 1.218 compared to 5.61 and 1.597 for Justin Haley. By the career numbers, Bob Gibson had the better of this cross-role comparison — though era context would sharpen the verdict.