John Koronka vs. Billy Rhines — Career Comparison

John Koronka built a career as a starting pitcher and Billy Rhines as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Billy Rhines posted stronger surface numbers — ERA 3.48 and WHIP 1.342 compared to 6.25 and 1.642 for John Koronka. By the career numbers, Billy Rhines had the better of this cross-role comparison — though era context would sharpen the verdict.