Naoya Inoue (R) punches Jason Moloney during their bantamweight title bout at MGM Grand Conference Center on Oct. 31, 2020 in Las Vegas, Nevada. (Top Rank Inc/Getty/Kyodo)

LAS VEGAS, Nevada - Japan's Naoya Inoue defended his IBF and WBA bantamweight world titles by knocking out Australian challenger Jason Moloney in the seventh round of their fight in Las Vegas on Saturday night.