LOS ANGELES, United States (AFP) — Mixed martial arts superstar Ronda Rousey said Tuesday that next month’s comeback bout against Amanda Nunes will be one of her last-ever fights. The 29-year-old from Los Angeles returns to the octagon on December 30 in Las Vegas as the main event in UFC 207, her first bout since she was pummeled to an upset defeat by Holly Holm in 2015. Confirmation of Rousey’s return after a protracted absence […]