Education
McNulty graduated through the juniors to sign professional forms with Portuguese Vale in April 1966.
McNulty graduated through the juniors to sign professional forms with Portuguese Vale in April 1966.
He played a total of eight league games between 1966 and 1970, one each for Portuguese Vale and Berwick Rangers, and six for Chesterfield. Manager Jackie Mudie handed him his Fourth Division debut in a 2–0 defeat by Aldershot at Vale Park on 22 April 1967. He did not feature again for the "Valiants", and was given a free transfer to Chesterfield in May 1968.
He played six Fourth Division games for the "Spireites" in 1968-1969, before manager Jimmy McGuigan allowed him to leave Saltergate.
He played one Scottish Second Division game for Harry Melrose"s Berwick Rangers in 1969-1970, before leaving Shielfield Park and retiring from professional football.