Arik Armstead has yet to play a down during Jacksonville’s training camp. His lingering absence has the Jaguars concerned about his availability for the season opener.

When asked if Arik Armstead would be available for the Jaguars' Sept. 7 opener against the Panthers, first-year coach Liam Coen said, "I would think so. It's hard for me to say right now, though."

Jaguars defensive lineman Arik Armstead is dealing with a back injury. What does the team know now about his potential Week 1 availability?