We are back on the block! With the Rio Olympics going on, we are only looking forward this week. Is the biggest fight in UFC history about to happen? Conor McGregor is rematching Nate Diaz at UFC 202, with everything on the line. Anthony Johnson is throwing down with Glover Teixeira in the co-main event and the whole card is littered with gems. In the boxing world, our eyes turn to Errol Spence Jr., who looks to turn in a star making performance against Leonard Bundu. Can the youngster do it? Listen to us break it all down here on the Fighter's Block.