FILE - In this May 24, 2008 file photo, mixed martial arts star Tito Ortiz, right, is seen with Jenna Jameson after his fight at UFC 84 at the MGM Grand Garden Arena in Las Vegas. Ortiz was arrested on suspicion of domestic violence Monday, April 26, 2010, at the home he shares with Jameson. (AP Photo/Eric Jamison, File)AP – Mixed martial arts star Tito Ortiz claims his ex-porn star girlfriend is addicted to Oxycontin, and he’s blaming Jenna Jameson’s drug use for his arrest on suspicion of domestic violence.