Broncos linebacker Brandon Marshall suffered a concussion during Sunday's win against Miami. Coach John Fox told reporters that Marshall will go through the league-mandated concussion protocol, per the team's official website. He will need to be medically cleared by an independent neurologist in order to play Week 13 against Kansas City.
Broncos tight end Julius Thomas did not practice Wednesday, but was working on the field with strength and conditioning coaches, per the team website. He missed the Week 13 game with a sprained ankle that prevented him from practicing all week.