The 22-year-old has started 19 of Buson’s 20 league matches this season, scoring twice and picking up four yellow cards from his defensive midfield berth.
Yang sat out the draw with Seoul, met the fans afterwards but still there has been no comment from the club that he is apparently on his way to joining.
After two seasons impressing in the Lowland League for Celtic B the teenager needs to take a significant step forward which means getting regular first team football on his CV.
Other than the goalscorers and the mention of a first half assist from Alexandro Bernabei there is nothing about the team-lines on Celtic’s website or Twitter account.
The young hoops will start their Lowland League campaign next Saturday away to Cumbernauld Colts with the trip to the Indodrill their third and final public friendly.
There is always a frenzy of transfer speculation involving the clubs in Istanbul but Croatian reporter Izak Ante Sucic seems a little better placed and closer to the action.
You can’t have new faces coming on on high salaries when the ones who have been successful in the past are left behind. The question now turns to just who will be signed.