Date of birth
United signed the experienced Gary Liddle on an 18-month deal at the start of the January 2017 transfer window.
The versatile centre back, who can also play on both flanks of the back four and across the midfield, started his career with the Boro Academy and earned a professional contract when he broke through the youth ranks.
He moved to Hartlepool in 2006 and made over 250 appearances in his six-year stay, bagging 21 goals along the way.
Curle took him to Notts County in 2012 and he played every minute of his first campaign with the club, equalling a long-standing club record.
Bradford City was his next stop in the summer of 2014 and he joined Chesterfield on transfer deadline day last year, where he made 46 appearances and scored once before making the switch across to Cumbria.
Gary is sponsored by Peter Hines.