Brian Urlacher will miss the rest of the season after undergoing surgery to repair a dislocated right wrist which he suffered during the the first quarter of the Bears 21-15 loss to the Green Bay Packers.

“It’s always tough to have your leader go down,” linebacker Lance Briggs said. “He knows the defense better than anybody and he communicates everything to everyone else.”

Urlacher is one of the best linebackers in the league and he has been the leader of the Bears defense for the past 10 seasons. Their defense may fall apart without him.