Kleberson has put Manchester United players on notice about some extraordinary things they should expect in training from Cristiano Ronaldo in his second term.
Ronaldo has enjoyed a typically successful beginning to his second stint at United, netting three times in his opening two fixtures.
United fans have been treated to a different, arguably more polished, version of Ronaldo than the one that left for Real Madrid as a winger in 2009.
Gone are the fancy flicks and mazy dribbles, replaced by a penalty box poacher that operates within the width of the goalposts.
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