NFL training camps are set to start like some sort of Arcade Fire song, and unlike previous seasons where things seem settled for Houston entering the preseason, this year there are plenty of questions to be answered, and numerous things to watch for. Who will replace Alfred Blue’s production and the valuable role he filled on special teams? Can Brennan Scarlett make the leap while Jadeveon Clowney sits out without a contract? Are Will Fuller V and Keke Coutee going to remain healthy until the season starts? Is the secondary even going to be mediocre?