Joe Casey vs. Mike Willis — Career Comparison

Joe Casey built a career as a starting pitcher and Mike Willis as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Joe Casey posted stronger surface numbers — ERA 2 and WHIP 1.222 compared to 4.59 and 1.524 for Mike Willis. By the career numbers, Joe Casey had the better of this cross-role comparison — though era context would sharpen the verdict.