Jaquan Brisker will have missed at least 25 percent of career games due to concussions when his stint on IR ends. It's a harsh reality for a talented, promising player.

Bears safety Jaquan Brisker remains in concussion protocol. He landed there after an Oct. 7 game against the Panthers when he self-reported symptoms. Brisker, who had a violent collision with Panthers tight end Tommy Tremble during that Week 5 game,

The Chicago Bears will be without a starting member of their defense for a while longer this season. The team placed Jaquan Brisker on injured reserve Thursday. He has been in concussion protocol since Week 5.