A Manchester United supporter reportedly made his feelings about Nani known by spitting at the player at Old Trafford.
The incident is said to have occurred after the Portuguese winger was booed off the field during United's 3-2 victory over Stoke City.
According to 101greatgoals.com, fans have berated one of their fellow supporters on Twitter for spitting at Nani while he was signing autographs after the match.
The Premier League champions are currently eighth in the league table, eight points adrift of leaders Arsenal after nine games.