(Toronto, Ontario) -- NBA All-Star Weekend tips off tonight with the Rising Stars Challenge and the NBA All-Star Celebrity Game at the Air Canada Centre. Blazers guard C.J. McCollum will compete in tomorrow's Skills Challenge. Saturday night will also feature the Three-Point Contest and the Slam Dunk Contest. No Blazers are playing in Sunday's All-Star Game. Damian Lillard is the only player ranked in the top ten in scoring not playing in the All-Star Game.