The NFL has announced that New England Patriot rookie running back Brandon Bolden has been suspended for violating the league’s policy against performance enhancing substances.
He will miss the next four games beginning with Sunday's match-up against Buffalo.

He will be eligible to return Monday, December 3 following the team’s game against the Miami Dolphins. Bolden, 22, was undrafted out of Ole Miss. This year he has 43 carries for 234 yards and two touchdowns.

The NFL will not announce which drug caused the failed test.