Manchester United defender Luke Shaw has been withdrawn from the England squad after Sam Allardyce confirmed that the left-back has a slight muscular problem with the leg. The Three Lions star has returned to the Red Devils' Carrington training complex to continue his rehabilitation.

Allardyce was not keen to take a risk with Shaw, who is returning from a long-term injury that saw him miss almost the entire 2015/16 campaign. The left-back made his return from a broken leg earlier in the summer and has started all three of United's Premier League games this season.

England take on Slovakia in their first 2018 World Cup qualifying campaign and since Danny Rose is available to start at left-back, the defender has been allowed to return to Manchester to continue his recovery process. Jose Mourinho will be hoping the problem is a minor one, which it is according to the Three Lions boss, as they face Manchester City immediately after the international break on 10 September.

"Luke Shaw has left the England camp and returned to Manchester United. The left-back was rested from training at St George's Park this morning with the medical team continuing to manage his workload," a statement read on the FA website.

"With Danny Rose set to start against Slovakia in Trnava tomorrow night, Shaw has been allowed to return to Manchester to train with his club as a precautionary measure."

"It's a slight problem with the leg. I don't think it'll keep him out too long. It's a little ache, muscular. I'd be surprised if he wasn't OK for United's next game," Allardyce said ahead of England's clash against Slovakia, as quoted by the Daily Mail.

Luke Shaw
Luke Shaw (R) has started all three Premier League games for Manchester United thus far this season Getty

It is United's second injury blow during the ongoing international break after the Armenian FA confirmed that Henrikh Mkhitaryan had suffered a thigh injury during their clash against the Czech Republic on Wednesday (31 August). The midfielder, who is yet to start a game for the Red Devils in the Premier League has also returned to Manchester, but remains doubtful for the derby on Saturday (10 September).

"My dear fans, I appreciate much that you worry about me, thank you! I'm now back in Manchester for treatment and hope to be fit very soon!" the Armenia international wrote on his official Twitter account.