National Football League

As the NFL enters the final weekend of the regular season, Hamlin has become the sport's most talked about player, with fans around the world rallying behind the 24-year-old who collapsed after making a tackle against the Cincinnati Bengals on Tuesday (NZ time).

Reuters reports Hamlin, who had to have his heartbeat restored on the field, spent most of the week on a ventilator in a Cincinnati hospital intensive care unit. He was taken off the ventilator overnight and spoke to the team today.

In a growing row with the sports world, Mr Trump insisted that players who failed to stand during the national anthem should be fired or suspended.

Sunday's protests are the largest of their kind since they began last year.

Players have been protesting at racial injustice and police violence.

New England Patriots quarterback Tom Brady joined his teammates in Foxborough, Massachusetts, as they locked arms while several others decided to kneel before facing the Houston Texans.

The Grammy award winning singer will play the halftime show in Houston, Texas in February 2017.

She has tweeted: "It's not an illusion. The rumours are true. This year the Super Bowl goes Gaga!"

The National Football League (NFL) championship game is the most watched event on US television.

Lady Gaga will follow in the steps of Beyonce, Coldplay, Bruno Mars and Katy Perry.

It will be her second Super Bowl appearance after she opened last February's game with a performance of the American national anthem.

Kaepernick, a San Francisco 49ers quarterback, declined to stand during the playing of the national anthem ahead of a pre-season game on Aug. 26 and a game last week, prompting both outrage and support from NFL players and fans across the country.

On a list of all jerseys available on NFLShop.com, Kaepernick's was first when arranged by "Top Sellers," surpassing the jerseys for high-profile rookie players Carson Wentz of the Philadelphia Eagles and Ezekiel Elliott of the Dallas Cowboys.