He was one of the ones who came through the Busby 's youth academy and signed in the summer of 1950 as a professional for United .
Mark Jones started at United in 1948 as he signed amateur forms for United at that time .
Mark Jones was Mark Jones of the ones who came through the Busby 's youth academy and signed in the summer of 1950 as a professional for United .
Mark Jones started at United in 1948 as he signed amateur forms for United at that time .