Ex-Manchester United striker Dwight Yorke has warned Robin van Persie that he must watch what he says while playing for the Red Devils, reports talkSPORT.
The Dutch forward appeared to hit out at his teammates after David Moyes' side were beaten 2-0 by Greek outfit Olympiacos in their Round of 16 Champions League clash on Tuesday night.
And Yorke, who enjoyed great success at the Theatre of Dreams, has suggested that the forward must be aware of what he is saying.
Keys and Gray asked Yorke as to whether he thought Van Persie would have hit out under ex-Manchester United manager Sir Alex Ferguson, and the former striker said:"It’s all in hindsight because when he came in he was a turning point for United winning the Premier League last year.
"So he wasn’t alone. When things are going right there’s all good stuff coming out of United, there’s no negatives. Suddenly this year results haven’t been great, his performances haven’t been great, he hasn’t scored, certainly the number of goals when he came in, and it seems the impact has gone, not just from van Persie but throughout the team.
"So there are questions and players will have their say. But at the end of the day he’s playing for a football club like Manchester United and he’s got to be very aware of what he says."
Manchester United fans will now be hoping Van Persie does his talking on the pitch between now and the end of the season.
The Red Devils are in danger of missing out on Champions League qualification, with the club currently sitting in sixth place, 11 points behind rivals Liverpool who occupy fourth position.
Manchester United will also be desperate to make it to the quarter finals of Europe's elite competition, but will have to overturn their 2-0 deficit at Old Trafford in a couple of weeks time.