NFL owners approved two changes to the rules in May: the injured reserve change and moving the league's trading deadline back two weeks to after the games in Week 8.
In other NFL news:
* The NFL suspended Titans wide receiver Kenny Britt for one game for his eight brush with the law since being draft in 2009, the Tennessean reported.
* The NFL asked a U.S. District Judge Anita Brody in Philadelphia to dismiss lawsuits filed by thousands of former players who say the league hid information suggesting a link between concussions and brain injuries.
In a related development, the NFL and U.S. Army announced they have teamed up on a long-term program to care for and prevent concussions and head trauma, as well as other health issues.
* A three-member panel finished hearing an NFL Players Association appeal challenging Roger Goodell's authority over four players punished in the league's bounty investigation of the New Orleans Saints. Panel members say they will try to issue an opinion next week.
* The Pro Football Hall of Fame plans to raise funds and awareness for the Flight 93 memorial in Shanksville. The hall announced it will donate $9.11 from every adult admission from Sept. 9-12 to the memorial, which was established on the site where the United Airlines flight crashed on Sept. 11, 2001, after passengers attempted to take back the jet from terrorists.
* An American Airlines plane chartered by the Miami Dolphins clipped a parked plane as it prepared to take off from Dallas-Fort Worth International Airport. A Federal Aviation Administration spokesman says no one was hurt but both American Airlines jets were damaged in the incident early Thursday. A replacement jet delivered the Dolphins to Miami after they lost to the Cowboys, 30-13, in their preseason finale Wednesday night.
* Buffalo Bills owner Ralph Wilson was taken to a hospital and is listed in good condition. A Bills spokesman was unable provide further information or where Wilson was hospitalized. Wilson, 93, had hip surgery in spring 2011, and his health has been slipping.