Metz failed to make the most of their numerical advantage as they were held to a goalless draw by 10-man St Etienne.Les Verts were down to 10 men after 35 minutes when winger Oussama Tannane was shown two yellow cards in the space of 60 seconds.The visitors were happy to keep Metz at bay and hold out for a point.Simon Falette hit the woodwork with six minutes left as Les Grenats failed to break through a stubborn St Etienne defence.Metz and St Etienne remain 14th and ninth respectively in Ligue 1.ends