Caleb Kilian vs. Willie Mueller — Career Comparison

Caleb Kilian built a career as a starting pitcher and Willie Mueller as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Willie Mueller posted stronger surface numbers — ERA 6.14 and WHIP 1.773 compared to 9.22 and 2.049 for Caleb Kilian. By the career numbers, Willie Mueller had the better of this cross-role comparison — though era context would sharpen the verdict.