Quarterback Tim Tebow is set to make a return to the NFL with the Philadelphia Eagles after more than two years away.
Cleveland Browns quarterback Johnny Manziel has apologised for "letting down" the team and their fans.
Adrian Peterson has been reinstated by the NFL and may participate in all scheduled activities.
Former New England Patriots player Aaron Hernandez has been found guilty of first-degree murder and faces life in prison.
Pittsburgh Steelers safety Troy Polamalu has decided to retire from football after 12 seasons in 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.