HANGZHOU, China Houston Rockets center Yao Ming played in his first game in almost six months Thursday, joining China's national team in an Olympics warmup against Serbia.

Guard Deron Williams has agreed to a contract extension with the Utah Jazz, the team announced on Thursday.

The Los Angeles Clippers have signed restricted free agent guard Kelenna Azubuike to an offer sheet, the team announced Thursday. Per club policy, terms of the deal were not disclosed.

MILWAUKEE The Milwaukee Bucks have signed guard Tyronn Lue and forward Malik Allen, giving new coach Scott Skiles two more veterans to work with.

The Milwaukee Bucks signed guard Tyronn Lue and forward Malik Allen to undisclosed contracts on Thursday.

The Minnesota Timberwolves re-signed restricted free-agent forward Craig Smith on Thursday.

NEW ORLEANS James Posey has won NBA championships with two teams. The New Orleans Hornets hope to be his third.

CLEVELAND The Cavaliers finally made a move this offseason, signing sharpshooter Daniel Gibson to a five-year contract Wednesday. Bringing back Gibson, a restricted free agent, was one of Cleveland's top priorities. Financial terms of the deal were not disclosed.

The Toronto Raptors signed guard Roko Ukic to a three-year contract on Wednesday.

The New Orleans Hornets bolstered their defensive presence by reportedly coming to terms with free-agent James Posey.

The New Jersey Nets officially signed free agent forward Eduardo Najera and swingman Jarvis Hayes on Wednesday.

The Cleveland Cavaliers announced a multi- year contract extension with guard Daniel Gibson on Wednesday.

LOS ANGELES The Clippers acquired center Marcus Camby from the Denver Nuggets on Tuesday for the option to exchange second-round picks with Los Angeles in 2010.

The Los Angeles Clippers filled the void left by Elton Brand last week by acquiring veteran center Marcus Camby from Denver Tuesday night,

The Golden State Warriors signed first-round pick forward Anthony Randolph on Tuesday.

The Indiana Pacers introduced guard Brandon Rush and center Roy Hibbert on Tuesday, after both players agreed to contracts with the club.

PHILADELPHIA One more link to Philadelphia's championship history is destined for destruction. The Spectrum, once home to title-winning 76ers and Flyers teams, will close in 2009 and be demolished to make way for an entertainment development, arena owner Comcast-Spectacor announced Tuesday.

The Spectrum, home of the NHL's Philadelphia Flyers and NBA's Philadelphia 76ers for nearly 40 seasons, is set to close its doors next spring and will be demolished.

The Orlando Magic have signed free agent guard Anthony Johnson, the club announced Tuesday. Per club policy, terms of the deal were not disclosed.