FILE - In this June 8, 2016, file photo, Dallas Cowboys running back Ezekiel Elliott walks off the field after a workout during an NFL football training camp in Irving, Texas. (AP Photo/Tony Gutierrez, File)
Photos of the day - July 28, 2016Pope Francis looks out of the... Photos of the day - July 28, 2016 Pope Francis looks out of the window as he drives in a public transportation tram to reach the venue of the World Youth Days in Poland, an Indian paramilitary soldier throw bricks at Kashmiri protesters during a protest in Srinagar and the Broncos Von Miller sings autographs for fans during the team’s opening session of NFL football training camp are some of the photos of the day. ..
Cleveland Browns quarterback Robert Griffin III, left, takes a break as he watches quarterback Austin Davis take a snap during practice at the NFL football team's training camp facility, Wednesday, May 18, 2016, in Berea, Ohio. (3396×2252)
FILE - In this Sunday, July 28, 2013 file photo, Cleveland Browns defensive coordinator Ray Horton gestures during training camp at the NFL football team's facility in Berea, Ohio. A person familiar with the hiring says new Browns coach Hue Jackson has added defensive coordinator Ray Horton to his staff, Wednesday, Jan. 20, 2016.
Cleveland Browns head coach Hue Jackson, left, talks with quarterback Robert Griffin III during their orange and brown scrimmage at the NFL football team's training camp Saturday, Aug. 6, 2016, in Columbus, Ohio. (AP Photo/Jay LaPrete)