Cincinnati Bengals' LB Vontaze Burfict is facing a four-game suspension for violating the NFL's performance-enhancing drug policy, pending appeal, per league sources.
Burfict's appeal will center around the fact that he was on prescribed medication for the concussion he suffered on a hit from Steelers' wide receiver Ju-Ju Smith Schuster on Dec. 4 as well as the fact that he suffered a Grade 3 shoulder AC sprain during the Detroit Lions game on Dec. 24 and was on prescribed medications for this injury as well, per another source.
The disputed test occurred Dec.