Mert Hackett vs. John Mulligan — Career Comparison

Looking at the career totals, Mert Hackett and John Mulligan are closely matched on the surface stats. Mert Hackett posted stronger numbers in OPS (.549 vs .500) and slugging (.318 vs .250). John Mulligan had the advantage in on-base percentage (.250 vs .231). By the career numbers, Mert Hackett had the stronger overall case — though those totals don't account for the eras and run environments each player worked in.