The Houston Texans will start their fourth quarterback of the season as Brian Hoyer was not cleared under the NFL concussion testing protocol, per a source reported by Houston Chronicle's Aaron Wilson.
Brian Hoyer not cleared yet under NFL concussion protocol, per a source, and is out for Sunday. Brandon Weeden starting, B.J. Daniels backup
— Aaron Wilson (@AaronWilson_NFL) December 26, 2015
Hoyer suffered his second concussion this season two weeks ago against the New England Patriots, the fifth known concussion of his career.