Kayla Harrison says she's ready to play backup for the UFC 307 co-main event and she'll gladly step up to fight Raquel Pennington if Julianna Pena fails to show up. Harrison also addresses former teammate and roommate Ronda Rousey and the legacy she left behind in MMA. Join this channel to get access to perks: https://www.youtube.com/channel/UC4f1JueVgo5t9HSmobCRPug/join Subscribe to MMA Fighting on YouTube: http://goo.gl/dYpsgH Subscribe to The MMA Hour on iTunes: http://Apple.co/themmahour Subscribe to The MMA Hour on Spotify: https://open.spotify.com/show/0NUQhyUeYQcbtHOV10qmbb Subscribe to MMA Fighting feed on iTunes: https://podcasts.apple.com/us/podcast/mma-fighting/id320642139 Check out our full video catalog: http://goo.gl/u8VvLi Visit our playlists: http://goo.gl/eFhsvM Like MMAF on Facebook: http://goo.gl/uhdg7Z Follow on Twitter: http://goo.gl/nOATUI Read More: http://www.mmafighting.com MMA Fighting is your home for exclusive interviews, live shows, and more for one of