Rex Ryan believes the Texans are on the verge of having a 'historic' defense this season 🏈

On NFL Countdown, Dan Graziano, Mike Greenberg, Alex Smith, Tedy Bruschi, Randy Moss and Rex Ryan discuss expectations for the upcoming matchup between the Buffalo Bills and Houston Texans and Minnesota Vikings and Green Bay Packers. 0:00 Dan Graziano on expectations for Josh Allen against the Texans' defense 2:00 Bills-Texans preview 8:50 Injury news 10:30 Packers-Vikings preview ✔️ Subscribe to ESPN Unlimited: https://plus.espn.com/ #ESPN