Manchester United boss Louis van Gaal is ready to play Tyler Blackett against Swansea City.
Blackett could line up alongside Chris Smalling and Phil Jones in central defence and fellow 20-year-old Reece James is also in contention at left wing back, although Ashley Young could fill that role.
Van Gaal said with a smile on Friday: "Nine injuries and I'm not nervous.
"I won't change the system because I've instilled it into these players. It is easier to continue with the system than to change it."
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