Former Redskins RB Clinton Portis to formally retire
Clinton Portis retires: former Redskins and Broncos running back
Giants' defense suffocates 'Skins
Clinton Portis Retires (With No Regrets)
Clinton Portis Retirement
Clinton Portis offers possible solution for Redskins name issue
How I will remember Clinton Portis - National Football Post
Former Redskins running back Clinton Portis retires - Beckett News
Clinton Portis Retires (With No Regrets)
Clinton Portis used to take a pre-game Hennessy shot (Video
Clinton Portis Says He Played Through Concussions 'All the Time
Final score: Broncos over Redskins in Clinton Portis trade – The