Manchester United and Barcelona are set to reopen negotiations next week on Marcus Rashford ’s future in the hope of constructing a deal. There is an agreement in place for Barcelona to buy the forward for €30m but it is understood the Catalan club want to revisit terms due to a restricted budget. Rashford is keen to stay at Camp Nou after a successful season that has brought a league title , but there is the possibility he returns to United in July. Marcus Rashford scored a stunning free-kick in the victory over Real Madrid that confirmed the LaLiga title for Barcelona (Getty Images) The Old Trafford hierarchy would prefer to make a sale as they look to rebuild the squad elsewhere - especially in midfield - but another loan deal is a possibility. Bayern Munich are also understood to be monitoring the situation. Mikel Arteta, meanwhile, likes Rashford as a player. Arsenal have a list of potential left forward targets - a main priority for the summer . Any deal, though, would depend on opportunity.…