Before Johnny Walker and Jamahal Hill battle it out in the #UFCVegas48 main event, MMA Fighting's Mike Heck, Alexander K. Lee, and E. Casey Leydon preview the card and answer your questions. Show goes LIVE at 3:30 p.m. ET / 12:30 p.m. PT. 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 the world's fastest-growing sports. Get latest news and more here: http://www.mmafighting.com