In this photo taken late late Monday, July 25, 2011 a worker uses a tractor to lay the pitch at the newly built National Arena stadium in Bucharest, Romania. Romania's football chief has urged Argentina not to cancel a planned friendly on Aug. 10 at a new stadium in the Romanian capital. Argentina's football federation said on its website late Monday July 25, 2011 that the match was canceled following dismissal of coach Sergio Batista.