Oh Hyeon-gyu has revealed he is baffled over Stuttgart pulling the plug on his £24million move.
The former Celtic star was set for a sensational mega money move to the Bundesliga - in a switch that cost the Hoops a £4million windfall.
The striker was poised to make the transfer from Genk and even travelled to Germany to complete the move.
However, the German outfit cancelled the deal due to concerns about a possible knee injury.
Oh shrugged off the disappointment to turn out for his country in a 2-0 win over the USA and admitted he is perplexed over the collapse of the deal.
He said: "Since high school, I've never had any problems with my knee and never missed games due to injuries, not even at Celtic or Genk.
"So I was disappointed the transfer didn't happen becau