The extracts on this page are taken from selected national newspapers. The views expressed here do not necessarily reflect the views of Manchester United.
Sir Alex visited Antonio Valencia in hospital yesterday before the winger underwent surgery on a fracture to his tibia and fibula in his left ankle. The Daily Mail quotes Ecuador's national team doctor Patricio Maldonado saying: "We think he'll be out for five or six months".
Alan Smith suffered a similarly horrific injury in 2006 at Anfield for United. He tells The Sun: "It's a hard road back. But the thought of getting back on the field keeps you going. He's in good hands. United's medical team is excellent."
Richard Williams writes in The Guardian that Valencia's enforced absence "could have a profound effect on United's fortunes this season", while speculating that Park, Giggs, Obertan or Bebe may fill the void.
The Mirror says United are tracking 20-year-old Sporting Lisbon whizzkid Wilson Eduardo, currently on loan at newly-promoted Beira-Mar.
The Independent claims Roy Hodgson will rest Fernando Torres for their Europa League opener against Steaua Bucharest in preparation for Sunday's visit to Old Trafford. Meanwhile Rio Ferdinand believes he isn't assured a place in Sunday's starting line-up, despite a confident comeback against Rangers on Tuesday.