Moyes believes that Rooney can go on to achieve legendary status at Old Trafford and elevate himself alongside United greats like George Best and Sir Bobby Charlton.
"To be a legend at Manchester United it is something where you are associated with this club for the rest of your life," he said.
"For Wayne, I think he's recognised people like Bobby Charlton George Best and the way those big stars are seen here.
"Wayne's next thing is that we have to keep challenging him to get those goals and make those big targets."
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