**FILE** New Orleans Saints wide receiver Devery Henderson (19) is pursued by San Diego Chargers cornerback Quentin Jammer (23) in the first half of an NFL football game at the Mercedes-Benz Superdome in New Orleans, Sunday, Oct. 7, 2012. (AP Photo/Dave Martin)
**FILE** Buffalo Bills kicker John Potter kicks off during an NFL football game against the Cleveland Browns Sunday, Sept. 23, 2012, in Cleveland. (AP Photo/David Richard)
**FILE** Buffalo Bills' John Potter is seen during NFL football training camp in Pittsford, N.Y., Sunday, July 29, 2012. (AP Photo/David Duprey)
Washington Redskins' facility is seen under construction during a NFL football minicamp at Redskins Park, Wednesday, June 12, 2013, in Ashburn, Va. (AP Photo/Carolyn Kaster)
Washington Redskins' facility is seen under construction during a NFL football minicamp at Redskins Park, Wednesday, June 12, 2013, in Ashburn, Va. (AP Photo/Carolyn Kaster)
Washington Redskins' quarterback Robert Griffin III is followed by a camera crew during an NFL football minicamp at Redskins Park, Wednesday, June 12, 2013, in Ashburn, Va. Griffin wears a knee brace as he works to recover from surgery to repair his ACL, LCL and meniscus. (AP Photo/Carolyn Kaster)
Washington Redskins running back Alfred Morris (46), center, talks with running back Jawan Jamison, right, during a NFL football organized team activity at Redskins Park, Ashburn, Va., Thursday, June 6, 2013. (Andrew Harnik/The Washington Times)
**FILE** Tennessee Titans center Kevin Matthews talks with a teammate during a workout at the team's NFL football training facility on Friday, June 1, 2012, in Nashville, Tenn. (AP Photo/Mark Humphrey)
NFL Commissioner Roger Goodell speaks during a news conference at the NFL football spring meetings in Boston, Tuesday, May 21, 2013. (AP Photo/Elise Amendola)
