Alex Oliveira replaces Tim Means against Donald Cerrone for UFC Fight Night 83 headliner Looks like it’s Cowboy vs. Cowboy at UFC Fight Night 83 per MMAFighting.com. With Tim Means off the card due to potential USADA violation, Alex Oliveira will move up 170 pounds and take on Cerrone on short notice. Oliveira (14-2-1, 1 NC) moves back up to the welterweight division after a stoppage victory over Piotr Hallmann in November. Cerrone (28-7, 1 NC) is 8-1 in his last nine fights and moves up to welterweight for the first time in his UFC career. UFC on FOX 19 adds Tecia Torres vs. Rose Namajunas rematch According to MMAFighting.com the UFC is looking to book the rematch between Tecia Torres and Rose Namajunas The report mentions that the UFC is look at on April 16 for UFC on FOX 19. Torres (7-0) defeated Namajunas via unanimous decision at Invicta FC 6 in July 2013. Since her stint on The Ultimate Fighter, Torres has won four in a row. Namajunas (4-2) is coming off a dominant fifth-round submission win over Paige VanZant at UFC Fight Night 80. The UFC has yet to officially announce this event, fight booking or location for this event.