Max Unger, Breno Giacomini doubtul to play against Houston

The Seattle Seahawks appear likely to have to face J.J. Watt and the Houston Texans on Sunday without three starters along their offensive line. Right tackle Breno Giacomini and center Max Unger are both listed as doubtful to play in Houston. Left tackle Russell Okung is already out as he was placed on the short-term…