(SportsRadio 610) -- The Texans are requesting second interviews with Buffalo Bills defensive coordinator Leslie Frazier and Ravens assistant head coach David Culley.
Houston remains the only one with an NFL head coaching vacancy.
There are nine candidates for the next Texans' head coach. Of those nine, Frazier, Culley and former Lions and Colts head coach Jim Caldwell have been sought after for second interviews.
Frazier and Chiefs offensive coordinator Eric Bieniemy, who previously coached together for the Minnesota Vikings, went head-to-head in the AFC Championship game Sunday, with Bieniemy's Chiefs advancing to the Super Bowl. Bieniemy could also get a second interview.