Footage has emerged of Wayne Rooney boxing with Phil Bardsley . The sparring session took place in Rooney 's mansion . It happened the day after United lost to Swansea in February . In a statement released on Wednesday, Manchester City said it was 'aware that footage exists which appears to show an incident involving Wayne Rooney' and is investigating it.
Footage has emerged of Wayne Rooney boxing with Phil Bardsley . The sparring session took place in Rooney 's mansion . It happened the day after United lost to Swansea in February . They exchange light blows before Bardsley knocks Rooney down . The Manchester United striker lies motionless and the video ends . Bardsley 's wife Tanya hit back on Twitter at the furore caused . READ : Rooney pokes fun at boxing video with knockout celebration ! READ : Was Rooney a knockout against Tottenham at Old Trafford ?