It has proven to be one of the most divisive protests in recent sporting memory, and Colin Kaepernick is not backing down from his sit-down protest during the US national anthem.

Colin Kaepernick took a stand against police violence by taking a seat. The San Francisco 49ers quarterback refused to stand for "The Star-Spangled Banner" before a preseason game against the Green Bay Packers because, he said, "There are bodies in the street."

With the resounding success of the first Sydney Cup college football game, there is hope that a competitive NFL fixture will be next to hit Sydney's shores.

Kevin Durant admitted he wasn't himself earlier in the men's basketball competition at the Olympics. Then he heated up.

The Sydney Cup is less than a week away, and there's plenty of reasons to be fired up to see Hawaii take on California.

Conor McGregor has avenged his only loss in the UFC with a majority decision victory over Nate Diaz on Saturday night at UFC 202.

Before California college football coach Sonny Dykes could even think about designing a game plan for the season opener against Hawaii, he had to devise a strategy to deal with playing on the other side of the world.

​Former NFL star Darren Sharper has been sentenced to 18 years in prison for drugging and raping as many as 16 women in four states.

Lawyers are asking MLB to turn over documents from its testing program so they can show jurors that players are hitting the ball harder than they did in the past, giving fans less time to get out of the way

If at first you don't succeed, try a different sport.

The New York Yankees will release former MVP Alex Rodriguez from his 10-year, $US275 million contract and he will play his final game with the team on Friday.

The NFL has cleared Peyton Manning of accusations that he had used banned substances, dismissing a news report from seven months ago that suggested that the star quarterback had taken human growth hormone.

Four people were killed in a highway collision with a Dallas Cowboys tour bus Sunday afternoon about 80 kilometres south of Las Vegas, according to multiple reports.

Footage has emerged of Bernard Tomic and fellow tennis star Viktor Troicki being forced off a court by a police officer.

All eyes will be on Ben Simmons when the 76ers open the season in October, which is natural for the NBA's No. 1 overall draft pick.

Denver Broncos outside linebacker and Super Bowl 50 MVP Von Miller became the NFL's highest-paid defensive player after agreeing to a six-year, $US114.5 million ($A150 million) deal.

Philadelphia 76ers head coach Brett Brown has defended Ben Simmons after NBA great Isiah Thomas slammed the Australian teenager for sitting out Summer League games.

Thon Maker's Milwaukee Bucks have had their hopes of winning the NBA Summer League title extinguished, but the 216-centimetre Australian teenager still earned rave reviews.

UFC President Dana White says the mixed martial arts company has been sold for approximately $US4 billion ($A5.28 billion) to a group of investors led by Hollywood talent agency WME-IMG.