J.J. Russell suffered a severe injury during Thursday's practice, raising concerns for the team's linebacker depth as they head into the season.

Linebacker J.J. Russell has sustained a concussion during training camp, which places him on the injury list, affecting the team's defensive depth.

J.J. Russell, a linebacker for the Arizona Cardinals, had a health scare but made a quick recovery. After being taken to the hospital due to a collision, he returned to the team following negative test results, highlighting the significance of health protocols in the NFL.

J.J. Russell, a newly acquired linebacker for the Arizona Cardinals, suffered a significant injury during practice, which could impact the team's plans for the season.

J.J. Russell, an inside linebacker for the Arizona Cardinals, is an undrafted free agent who signed with the team after a stint with the Buccaneers. He has shown potential with 25 tackles and a strong contribution on special teams during the previous season.