Super Eagles captain Mikel Obi has undergone a successful operation.
The former Chelsea midfielder was initially ruled out for three weeks because of an abdominal strain but after the surgery, no return date has been set.
The Midfielder flew to London where he had the surgery following a lingering abdominal strain.
The Tianjin TEDA midfielder is eager to return to China as he has not played in the league for three consecutive weeks.
Mikel posted on his instagram page: #TianjinTEDA#TEDAFightingFightingFighting