Buck O'Brien vs. Mike Willis — Career Comparison

Buck O'Brien 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. Buck O'Brien posted stronger surface numbers — ERA 2.63 and WHIP 1.273 compared to 4.59 and 1.524 for Mike Willis. By the career numbers, Buck O'Brien had the better of this cross-role comparison — though era context would sharpen the verdict.