Alexander Volkanovski or Ilia Topuria: who is feathweight GOAT? Robert Whittaker reveals his pick

UFC legend Robert Whittaker has given his thoughts on who the greatest featherweight of all time is, with Alexander Volkanovski and Ilia Topuria at the top of the list. Tonight, Alexander Volkanovski will collide with Diego Lopes with the UFC featherweight championship being on the line. While ma...