I seem to remember Mair being the Kevin McBride of his day: a handy enough, if not exactly world-class winger until he was on the wrong end of a horrendous tackle in front of the main stand one day (can't remember who the culprit was, but I could hear the crack of splintering shinpads from the East Stand!), and lost all his confidence after that.
Before he joined us, he'd scored a decent number of goals for Notts County in the (old, proper) English First Division, including one in a 3-1 win over Ipswich Town who finished second to Liverpool that year, so he was certainly no donkey, in his day. He even played alongside Martin O'Neill and Don Masson in that team for a while