Manchester United defender Marcos Rojo has revealed club chiefs are keeping a watch on Nani's progress at Sporting CP.
Nani is playing on a season-long loan with Rojo's former club.
He said: "The people here at Manchester United are always asking me about Nani.
"[They are asking] if he score goals, whether he's playing regularly and playing well in that position. They are very attentive to the work of Nani."
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