sentences:  He played with local sides Berryburn Rangers, Livingston Violet and Broxburn Rangers before joining the Hearts ground staff aged 16 in February 1932.As Scottish clubs could not then officially sign players until the age of 17, Walker played junior football for Linlithgow Rose until his birthday in May.A talented and elegant inside-forward, Walker quickly earned a place in the Hearts first team, helping the side to victory in the 1933 Jubilee edition of the Rosebery Charity Cup, in a season in which they finished 3rd in the league.