Top sports news today

Here are the top sports news stories 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 pitchers. (MLB.com)

Soccer

• Manchester City has been banned from the Champions League for the next two seasons and fined $32 million for breaching UEFA's Financial Fair Play regulations. (BBC Sport)
• Liverpool has signed midfielder Thiago Alcantara from Bayern Munich for a reported fee of $30 million. (Sky Sports)

Tennis

• Novak Djokovic has won the ATP Finals for the sixth time, defeating Daniil Medvedev in the final. (ATP Tour)
• Serena Williams has announced that she will retire from tennis after the 2022 US Open. (ESPN)

Golf

• Jon Rahm has won the BMW Championship, his second PGA Tour victory of the season. (PGA Tour)
• Tiger Woods has withdrawn from the BMW Championship due to a back injury. (Golf Channel)

Boxing

• Canelo Alvarez has signed a multi-fight deal with DAZN, reportedly worth $365 million. (ESPN)
• Deontay Wilder has tested positive for COVID-19 and will not be able to face Tyson Fury on October 24. (ESPN)

These are just a few of the top sports news stories from around the world. Stay tuned for more updates throughout the day!