Cardinals’ J.J. Russell in concussion protocol following collision in training camp

Arizona Cardinals linebacker J.J. Russell is in concussion protocol following a collision at training camp on Thursday.

Head coach Jonathan Gannon said Russell is in good spirits and is back in the building.

Cardinals LB J.J. Russell is in concussion protocol, per head coach Jonathan Gannon. pic.twitter.com/d8DRTelOxN

— Tyler Drake (@Tdrake4sports) July 25, 2025

Russell had collided with safety Kitan Crawford during a 7-on-7 drill on the second day of practice which caused training camp to stop. Crawford was able to get up following the collision.

Cardinals training camp practice has come to a stop…

The cart and stretcher are out after Kitan Crawford and J.J. Russell collided during 7-on-7s.

Crawford got up. Russell stayed down. pic.twitter.com/0Ywp5rQVTK

— Tyler Drake (@Tdrake4sports) July 24, 2025

Russell was taken to a hospital afterward for a head and neck injury evaluation. Arizona announced Thursday evening he was released from the hospital and had rejoined the team at training camp.

Russell signed a one-year deal with the Cardinals in May. He previously spent his first three seasons in the NFL with the Tampa Bay Buccaneers.

In 30 games, he has registered 49 tackles and a sack.

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