The Sunderland Echo reports that the 24-year-old is set to move to the Stadium of Light on a season-long loan deal.
Sung-Yeung joined Swansea for £6million just 12 months ago, but has fallen down the pecking order at the Liberty Stadium.
The midfielder had been linked with moves to the Championship and the Bundesliga, but now looks set to become Sunderland’s 12th signing of the summer.
What is your opinion? Feel free to discuss the article under. You have to comment by using your Facebook profile. Be fair and have respect for other people and opinions!
The reputation of the Premier League means it is the most popular and one of the most watched leagues in the world.
Five English clubs will compete in the last sixteen of the Champions League for the first time ever as Liverpool, Manchester United, Manchester City, Chelsea and Tottenham face some difficult away matches.