Sebastian Fundora (23-1-1, 15 KOs) retained his WBC super welterweight title when Tim Tszyu (25-3) didn't come out for the eighth round in the co-main event. Fundora floored Tszyu with a left hand in the first round and dominated the action with 118 power punches, according to Compubox, by repeatedly backing down the Australian.

Keith Thurman knows what it is like to share the ring with both Manny Pacquiao and Mario Barrios. Pacquiao makes a sensational return to boxing at the age of 46 this weekend when he challenges Barrios for his WBC welterweight title at the MGM Grand in Las Vegas.

Andreas Hale is in Las Vegas to bring you all that's happening at the MGM Grand Garden Arena, including undercard results, fight updates and round-by-round analysis.