 He scored his first professional goal on 10 February 2007 also against Bristol Rovers.Grimsby won that game 4–3.Town's new manager Alan Buckley began to include North in the first team setup and he completed his first senior hat-trick in a game against Barnet on 21 April 2007, where he scored a penalty in the last minute to put Grimsby 5–0 ahead at the end of the game.