USC safety Brandon Ting and his twin brother Ryan quit the Trojans football team last week, saying they would concentrate on going to medical school. Now the Daily News' Scott Wolf reports on the paper's website that Brandon Ting tested positive for steroids and would have been ineligible to play this fall. Their father, Dr. Arthur Ting, is a prominent Bay Area physician who treated Barry Bonds last year and according to the San Francisco Chronicle was subpoenaed by the federal grand jury investigating Bonds. The story will be in tomorrow's Daily News.