Angel Di Maria and Marcos Rojo could miss Manchester United's preseason tour of the United States and the start of the 2015-16 campaign because of the Copa America.
United manager Louis van Gaal is willing to begin the new season without his two Argentina internationals.
The Dutchman believes both will need a break, and if Argentina reach the final in Chile -- which will be played on July 4 -- neither is likely to be involved when the Premier League kicks off again on Aug. 8.
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Van Gaal hopes he will...