sentences:  He fought Rahman on December 13, 2003, and with a unanimous decision victory became the WBA's interim champion.When Jones announced on February 24, 2004, that he would return to competing in the light heavyweight division, the WBA took the interim tag off Ruiz, and he became an official two-time WBA heavyweight champion.On April 17, 2004, Ruiz fought the first defense of his second world title.