Casey Kelly vs. Mac MacArthur — Career Comparison

Casey Kelly built a career as a starting pitcher and Mac MacArthur as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Mac MacArthur posted stronger surface numbers — ERA 5.02 and WHIP 1.500 compared to 5.34 and 1.662 for Casey Kelly. By the career numbers, Mac MacArthur had the better of this cross-role comparison — though era context would sharpen the verdict.