 Liddle was sent off in his third appearance for the 'Spireites', on 16 February 2016 in an away game to Colchester United for an 18th minute foul.Liddle scored his first goal for the club on 13 August 2016, scoring the first in a 3–1 victory over Swindon Town, heading into an empty net after a Ched Evans free kick was saved.Liddle signed for League Two club Carlisle United on 13 January 2017 on a one-and-half-year contract for an undisclosed fee.