 NBA news, several past and present All-Stars highlight the first day of the NBA free agent signing period. The Clippers have announced that Paul George is leaving the team after the two sides couldn't work out a new contract. George opted out of his $49 million contract for the upcoming season this weekend and could be headed to the 76ers. Meanwhile, another AP source says Clippers guard James Harden is staying with the team on a two-year deal worth up to $70 million.