John Mulligan vs. Ollie O'Mara — Career Comparison

On the career numbers, Ollie O'Mara posted the stronger offensive profile against John Mulligan. Ollie O'Mara posted stronger numbers in OPS (.559 vs .500) and on-base percentage (.280 vs .250). John Mulligan had the advantage in batting average (.250 vs .231). By the career numbers, Ollie O'Mara had the stronger overall case — though those totals don't account for the eras and run environments each player worked in.