 In the June 1977 , Wark was selected for the Scotland squad for the first time , for a friendly match against East Germany ; however , a torn hamstring sustained in pre @-@ season training ended any chance of an international debut . The injury also kept him out of first @-@ team football until January 1978 , when he returned for a match against Cardiff City in the third round of the 1977 – 78 FA Cup . 
