Atletico Madrid join Ki Sung-yeung chase

Atletico Madrid are understood to have joined the chase for Arsenal target Ki Sung-yeung.

The 23-year-old has built up a solid reputation with Celtic during his three years at Parkhead.

The Spanish club are now thought to be interested in the South Korean, according to talkSPORT.

Ki is expected to feature for his country in tomorrow's bronze medal match against Japan at the Olympics.