Live Chat: B.J. Penn And USADA, Conor McGregor On ESPN, UFC Fight Night 88 Preview

B.J. Penn is at odds with USADA, Conor McGregor explained on ESPN his issues with the UFC and Floyd Mayweather. UFC Fight Night 88: Thomas Almeida vs. Cody Garbrandt is Sunday. We talk about these issues and more on the Promotional Malpractice Live Chat.