Chicago Bears have released Ray McDonald following his arrest on suspicion of domestic violence and child endangerment.
Michael Sam, the first openly-gay player to be drafted by an NFL team, has signed for the Montreal Alouettes in Canada.
New England Patriots will not appeal the punishment handed down by the NFL over the use of under-inflated footballs.
The Atlanta Falcons have announced that they have signed tackle Tyler Polumbus.
New England Patriots quarterback Tom Brady has appealed against his four-game suspension from the NFL.
All the best pictures from Super Bowl XLIX between Seattle and New England in Phoenix.
A selection of some of the best sporting moments of 2014, including Germany winning the FIFA World Cup.