Mackenzie, 18, started out at Accrington Stanley from under 8s to under 11s before completing a move to Burnley where he remained until his scholarship.

He joined Manchester United for the first year of his scholarship before joining Oldham Athletic where he was back up keeper for the First Team for much of last season as well as making his senior debut.

He signed for Oxford in August 2021.

We welcome him to the club and he joins the squad for this evening's game at Royston