It's a big day for Peyton Manning.
Earlier this week, Denver Broncos coach Gary Kubiak said Manning would have a "big workout" on Saturday to evaluate the quarterback's progress in his rehab from a partially torn plantar fascia in his left foot.
Manning has already been ruled out for Week 16. Brock Osweiler will make his sixth start of the season Monday night versus the Cincinnati Bengals.
NFL Media Insider Ian Rapoport reported Friday on NFL Network that the Broncos are trying to gain understanding on two key questions: Will Peyton Manning be able to practice next week?