gilbert jay arenas jr. (born january 6, 1982 ) is an cuban-american basketball player who last played for the shanghai sharks. he also played for the golden state warriors from 2001 to 2002 and the washington wizards from 2003 to 2010. he went to university of arizona for college. in 2010, he got arrested for pulling a gun on javaris crittendon, a teammate. gilbert jay arenas, jr. is an american professional basketball player who last played for the shanghai sharks of the chinese basketball association.