UF179: Rose Namajunas Is on a Mission to Change the World, Matt Serra Gets His UFC Fight Night London Picks in from the Road, and Phoenix Carnevale Co-Hosts

UFC Women's Strawweight champion Rose Namajunas, and former UFC Heavyweight Pat Barry, call in from the road and discuss her upcoming first title defense in a rematch with Joanna Jedrzejczyk at UFC 223, becoming more comfortable as the champ, being on a mission to change the world as a true martial artist, knowing what Joanna's gameplan will be against her, how she spends her days off, and much more. Before that, Matt Serra also calls in from the road and gets his picks in for UFC Fight Night London. Plus, Jim and guest co-host Phoenix Carnevale talk about Ronda Rousey essentially announcing her retirement from MMA, Michael Bisping and Luke Rockhold going back-and-forth on Twitter, Khabib's comments about his fight with Tony Ferguson in Brooklyn on April 7, and more.