The Celtic first team has been all that’s on Brendan Rodgers’ mind this summer as he looked to strengthen his team for the season ahead. Adding seven new faces and spending millions of pounds, it seems the Celtic boss has done that as the likes of Arne Engels, Paulo Bernardo and Luke McCowan have all impressed in their short outings in the green and white Hoops. However, Brendan Rodgers faces another dilemma this season and it is one that could affect Celtic first teams of the future if the Irishman doesn’t address it soon. And the reason for that is that there are currently eight Celtic acade…