Bisping on Kamaru Usman as replacement for Till vs Woldey and Nick Diaz's UFC Return - UFC 228 is very close and the main event is Darren Till vs. Tyron Woodley. As replacement for this bout UFC chose Kamaru Usman. Michael Bisping thinks this is not good strategy because replacement man will never go so hard becuase he know he probably won't get shot in the Octagon. - Nick Diaz teases his UFC Return calling out whole UFC Roster. Nick's brother Nate Diaz has a bout vs. Dustin Poirier at UFC 230.