ANDER HERRERA admits David de Gea’s future is uncertain at Manchester United. Barca would obviously love him to join them, but dont rule out a move to the Premier League. The summer pursuit for the centre-half is likely to intensify further after an impressive international debut on Wednesday. Hernandez has scored 12 goals in 33 games this campaign, with Leverkusen believed to be not willing to accept a fee of less than £21m for him. ugely popular among United fans, the decision left the Old Trafford faithful baffled – especially since he has gone on to net 38 goals in just 73 matches for his new side. The former England and Manchester City winger spent the last two seasons with the New York Red Bulls, but played only 24 matches and scored just a single goal. So recruiting one of the world’s top talents, like Griezmann, would seem a huge step towards transforming United from top-four possibles to title challengers. Keep up to date with ALL the Burnley news, gossip, transfers and goals on our pages plus fixtures, r. Getty Images5Florentino Perez is expected to make a number of signings this summerGetty Images5Karim. Getty Images5The Mexican striker Javier Hernandez was sold by Manchester United to Bayer Leverkusen .