The Facts: Mixon will undergo a procedure to remove a small particle in his knee that was dislodged Thursday night, a source told ESPN's Adam Schefter. The procedure, which will take place Saturday, is expected to sideline Mixon for two weeks, the source said.

Diehards Line: The Bengals play the Carolina Panthers on Sept. 23 and the Atlanta Falcons on Sept. 30. Mixon, who was limping in the locker room after the Bengals' 34-23 victory over the Baltimore Ravens on Thursday night, rushed for 84 yards on 21 carries. He admitted that his knee hurt and described the injury as "some weird tweak. ..." Giovani Bernard and rookie Mark Walton are next men up.