Published April 25, 2021, 1:32 PM Kamaru Usman of Nigeria punches Jorge Masvidal of the United States during the Welterweight Title bout of UFC 261 at VyStar Veterans Memorial Arena on April 25, 2021 in Jacksonville, Florida. (Photo by Alex Menendez / GETTY IMAGES NORTH AMERICA / Getty Images via AFP) The UFC welcomed back American fans for their first live event in over a year on Saturday night and three of its greatest fighters — Kamaru Usman, Rose Namajunas and Valentina Shevchenko — rose to the occasion with stunning knockouts at UFC 261 in Jacksonville, Florida. Nigerian-American welterweight champion Usman knocked American challenger Jorge Masvidal out cold with a thunderous straight right to the chin at 1.02 of the second round in the main event and warned those gathered –- and other fighters — “I’m still getting better.”