United defender Marcos Rojo was seen eating a banana towards the end of the game, passed to him by Ashley Young from the substitutes bench, as Rojo appeared to be suffering from fatigue.
But Keane said: “I think that was all staged, without a shadow of a doubt.
“But I think they made a bigger drama than what it was. He’s got other staff. One of the fitness coaches could have come on with that, the medical staff. He’s passing it on to Ashley Young, and he’s passing it on.”