VFB Stuttgart are preparing to lose their star forward Serhou Guirassy with Manchester United taking a keen interest, according to reports. Serhou Guirassy has been one of the names heavily linked with a move to Manchester United in recent times as the club’s search for a new backup striker looks to be underway. Anthony Martial has struggled this season for the Red Devils, barring a promising stint at Goodison Park, and it is looking more and more likely that the Frenchman will leave the club upon the expiry of his contract next summer. As a result, a back-up striker may well be targeted and G…