Conor McGregor: Retirement, UFC 200 and what happens next

On Tuesday, UFC featherweight champion Conor McGregor tweeted that he retired from the sport. Later that day, UFC President Dana White said McGregor was removed from the UFC 200 card because he refused to promote it. In this video, Ariel Helwani talks about the latest news, what he knows and the pair share some analysis about what's next.