Chievo and Fiorentina shared the spoils in a goalless draw as both sides failed to find the breakthrough at the Stadio Marc'Antonio Bentegodi.Mauro Zarate had the best chance to break the deadlock with his second-half free-kick hitting the crossbar as Paulo Sousa's side extend their winless run to three games.Having seen their Champions League qualification hopes dashed in recent weeks, La Viola remain fifth, holding on to the last Europa League qualification spot while the hosts sit in eight place.