Mascherano putt pen to paper on his contract at the Nou Camp office of new club president Sandro Rosell after passing a medical. The contract has a buy-out clause of 90million euros. Mascherano will wear the number 14 shirt with Barca, which was previously the number worn by Thierry Henry prior to the Frenchman's departure this summer. The Argentina international earlier underwent separate tests at the Hospital de Barcelona and at the Nou Camp and. Club doctor Ricard Pruna told Barca TV: "It was an exhaustive medical that lasted around five hours. He is in excellent condition and is physically great. "His cardiovascular level is perfect and he is a player who has had very few injuries. In the last five years he has suffered one injury that has left him with problems." The 26-year-old Mascherano reportedly cost Barca 22million euros (£18million).
