manchester united greats david beckham and eric cantona have added their voices to the barrage of criticism directed at plans for a breakaway european super league saying the competition ignored fans views and could threaten footballs valuesa group of 12 top european clubs including united said on sunday they were launching the breakaway competition sparking outrage across football and beyondthe league will have 15 founding members to be joined by five clubs who qualify annually based on their domestic achievementsread alsothe founding 15 would have their participation guaranteed removing any risk of relegationbeckham who played for three of the 12 confirmed founders united real madrid and ac milan wrote on instagram that the game we love is in dangerim someone who loves football beckham said it has been my life for as long as i can rememberas a player and now an owner i know that our sport is nothing without the fans we need football to be for everyone we need football to be fair and competitions based on merit unless we protect these values the game we love is in dangermanchester uniteds supporters trust must has also spoken out against the super league saying on monday that the proposals were completely unacceptable and would be a betrayal of everything this club has ever stood forformer united captain cantona said the views of fans should have been taken into accountthe fans are the most important thing they have to be respected he said in a video posted on instagram did these big clubs ask their fans what they thought about this idea no and thats a shame