Repeat: McGrath says young United defender Tyler Blackett 'looks so smooth he could become a real gem' But he fears Blackett (right tracking Arsenal's Alex Oxlade-Chamberlain) won't get the time he needs .
McGrath says young United defender Tyler Blackett 'looks so smooth he could become a real gem' But he fears Blackett (right tracking Arsenal's Alex Oxlade-Chamberlain) won't get the time he needs .