SINGAPORE, Aug. 2, 2013 (Xinhua) -- Filipino boxer Manny Pacquiao (R) and American boxer Brandon Rios (L) pose for photos during a promotion event in Singapore's Marina Bay Sands, Aug. 2, 2013. As the only boxer who has won world titles in eight different weight divisions, Manny Pacquiao will make his Macao bout with American Brandon Rios in a 12-round welterweight rumble on November 24 at The Venetian Macao's Cotai Arena. (Xinhua/Then Chih Wey)