Paul Pogba admits it’s been a struggle to concentrate this season after winning the 2018 World Cup with FranceThe 25-year-old midfielder’s ongoing feud with manager Jose Mourinho has done little to help Manchester United, who have equalled their worst ever start to a Premier League campaign in 29 years.Despite Pogba providing United with four goals and three assists in 10 games this term, the Frenchman’s displays have still been put into question.Reflecting on this to AFP, Pogba conceded that concentration has been an issue following France’s World Cup triumph in Russia.Virgil van Dijk praises Roberto Firmino after Liverpool’s win Andrew Smyth – September 14, 2019 Virgil van Dijk hailed team-mate Roberto Firmino after coming off the bench to inspire Liverpool to a 3-1 comeback win against Newcastle United.“It’s hard to concentrate, to start again, to hit hard, because we touched the stars. For us, it was the best trophy you can win as a footballer,” said Pogba, according to the Evening Standard.“But we like challenges, too. We have goals. For example, I’ve never won the Premier League, that’s an objective. I’d like to do that.”Pogba is expected to feature for France in tonight’s game against Iceland in Guingamp with kick-off set to begin at 21:00 (CEST).