John O'Connell vs. Marty Pevey — Career Comparison

On the career numbers, Marty Pevey posted the stronger offensive profile against John O'Connell. Marty Pevey posted stronger numbers in OPS (.512 vs .459) and slugging (.293 vs .196). John O'Connell had the advantage in on-base percentage (.263 vs .220). By the career numbers, Marty Pevey had the stronger overall case — though those totals don't account for the eras and run environments each player worked in.