 Liddle made a good start to his career at Notts County and was awarded the PFA Fans' Player of the Month for September, continuing to play at centre back, he ensured County remained unbeaten in that month.Liddle made his final and 46th league appearance of the season against Coventry City.It meant he had played every minute of the 2012–13 season, equalling a record last set by County's Pedro Richards 30 years ago.