The former England international hinted the Dutchman was unhappy under his former manager ahead of television coverage of the Netherlands' opening World Cup match
The Netherlands international clashed with Moyes over his training methods at Old Trafford, and also criticised the Scot's tactics following United's 2-0 defeat to Olympiakos in February.
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"When Sir Alex Ferguson left, he went from being the star man, our go-to guy, the top scorer, to being almost like a sideshow," said Ferdinand whilst working as a pundit for BBC.
"I think that the dynamics changed. The manager, David Moyes, was talking up Wayne Rooney and forwards need to be loved.
"And I don't think he felt that love last season."
Van Persie struck twice as Netherlands stunned Spain with a 5-1 win in their opening World Cup clash on Friday evening.