Get the latest United transfer window updates, pre-season news and analysis delivered straight to your inbox every day for free Manchester United must sign England and Atletico Madrid defender Kieran Trippier this summer to bolster their right-back options.
That is according to Queens Park Rangers striker Charlie Austin, who said Aaron Wan-Bissaka "can't defend" ahead of United's pre-season friendly against Brentford at Old Trafford this evening.
Austin was the benefactor from Wan-Bissaka's failure to close down Lee Wallace's cross during Saturday's pre-season friendly at the Kiyan Prince Foundation Stadium, in which QPR defeated Ole Gunnar Solskjaer's side 4-2.
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