Kayla Harrison has fired back at Ronda Rousey , after the UFC legend accused her of having “the charisma of a wet towel” and dismissed her legacy . On 16 May, Rousey will fight in mixed martial arts for the first time in 10 years , facing Gina Carano on a Most Valuable Promotions show. All the while, Harrison is recovering from a neck injury as she aims to defend the UFC bantamweight title for the first time. She was scheduled to do so against a returning Amanda Nunes in January, before she sustained her injury . UFC women’s bantamweight champion Kayla Harrison (Getty) Harrison, 35, and Rousey, 39, actually have similar backgrounds, with the latter winning Olympic judo bronze for Team USA in 2008, before Harrison won gold in the same discipline in 2012 and 2016. Rousey also held the UFC bantamweight title from 2013 until 2015. Rousey actually retired after a knockout loss to Nunes in 2016, but now she is back to face Carano, a fellow Strikeforce legend, who hasn’t fought since 2009.…