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Guard Gilbert Arenas, who played for the NBA's Memphis Grizzlies, Golden State Warriors, Orlando Magic and Washington Wizards, has signed with the Chinese league's Shanghai Sharks, whose owner and president is former NBA star Yao Ming, team officials said Monday.

Arenas, known as "Agent Zero," negotiated with the Guangdong Southern Tigers but opted to sign with the Sharks, who nearly disappeared due to financial problems in 2009 and were saved by Yao, who started his career with the team.

The signing of Arenas adds quality to the league, which begins play on Saturday, and follows the signing of Tracy McGrady by the Qingdao Eagles.

McGrady, known as "T-Mac," was a teammate of Yao's with the Houston Rockets.

Arenas could make his debut in the opening tournament on Saturday, when the Shanghai Sharks will take on the defending champion Beijing Ducks, who are led by former NBA star Stephon Marbury.

Arenas never overcame his problems during the NBA's 2009-2010 season, when he was suspended for arms possession and had problems with teammate Javaris Crittenton. EFE