 He started in Crawley's FA Cup fifth-round tie against Manchester United at Old Trafford on 19 February 2011, which finished as a 1–0 defeat.At the end of the season, after Crawley won the Conference Premier title and therefore promotion into the Football League, McAllister was released after he rejected a new deal.McAllister signed for Newport County in May 2011, deciding to stay in non-League football.