‘The Texans’ search for a quarterback remains up in the air as the team awaits a decision from Rob Johnson, who seemed all but signed, sealed and delivered a few days ago. Johnson is the Texans’ first choice, but general manager Charley Casserly isn’t going to wait on his decision much longer. Chris Chandler, who spent the past five seasons with the Falcons, appears to be the top fallback option, and former Saints quarterback Jeff Blake’s name has begun to resurface although Blake has said he’s leaning toward Buffalo.’