The 22-year-old is expected to leave the Premier League champions before Thursday's transfer deadline, with Juventus and AC Milan leading the chase to sign him.
It is believed that the controversial frontman had a leaving party at his home in Cheshire, where he told his friends to take their pick of his possessions.
"Mario got his mates round and told them they could take whatever they wanted so they took a lot of his designer gear and some football memorabilia including shirts," an insider told The Sun. "But he told all of them not to touch his pants."
Meanwhile, a Manchester United supporter was spotted urinating on Balotelli's parked camouflage-painted Bentley over the weekend.