All sports news today

Here are the latest sports news updates from around the world:

NFL

• The Kansas City Chiefs have signed quarterback Patrick Mahomes to a 10-year contract extension worth up to $503 million, making him the highest-paid player in NFL history. (ESPN)
• The New England Patriots have traded wide receiver Demaryius Thomas to the New York Jets in exchange for a sixth-round draft pick. (NFL Network)

NBA

• The Los Angeles Lakers have signed forward Anthony Davis to a five-year contract extension worth up to $190 million. (ESPN)
• The Toronto Raptors have traded guard Jeremy Lin to the Atlanta Hawks in exchange for a second-round draft pick. (Sportsnet)

MLB

• The Houston Astros have signed pitcher Zack Greinke to a six-year contract extension worth up to $147 million. (The Athletic)
• The New York Yankees have acquired pitcher James Paxton from the Seattle Mariners in exchange for a pair of minor league prospects. (MLB.com)

Soccer

• Manchester City has signed midfielder Rodri from Atlético Madrid for a reported £62.8 million. (BBC Sport)
• Liverpool has signed midfielder Thiago Alcântara from Bayern Munich for a reported £25 million. (Sky Sports)

Tennis

• Novak Djokovic has won the US Open men's singles title, defeating Daniil Medvedev in the final. (ESPN)
• Serena Williams has announced her retirement from tennis, citing a desire to focus on her family and other pursuits. (The New York Times)

Golf

• Justin Thomas has won the BMW Championship, his second PGA Tour victory of the season. (Golf Digest)
• The LPGA Tour has announced a new tournament in Japan, the Japan Classic, which will be held in November. (LPGA.com)

Boxing

• Canelo Álvarez has signed a multi-fight deal with DAZN, the streaming service that has been a major player in the boxing world. (ESPN)
• Deontay Wilder has announced that he will face Tyson Fury in a rematch on February 22. (ESPN)

Other Sports

• The International Olympic Committee has announced that surfing will make its Olympic debut at the 2024 Paris Games. (IOC.org)
• The National Hockey League has announced that it will play a 56-game regular season schedule in the 2020-21 season, with the playoffs starting in May. (NHL.com)

These are just a few of the latest sports news updates from around the world. Stay tuned for more!