The NFL and the players' union had not reached a final agreement on proposed changes to the league's drug policy as of Saturday afternoon, meaning suspended players potentially eligible for reinstatement -- like Denver Broncos receiver Wes Welker -- will not play Sunday. The NFLPA voted Friday to to accept a new policy that would implement testing for human growth hormone and significantly increase the threshold for positive marijuana tests. Read more http://espn.go.com/nfl/story/_/id/1...ion-fail-reach-drug-agreement-roster-deadline