Here is TUF 17's Uriah Hall fighting Josh DeVore at a WCL kickboxing event in 2008. Hall (12-5, 5-3 UFC) is coming off the best win of his career after he defeated Gegard Mousasi via 2nd round TKO.
Here is Mike Tyson boxing Tyrell Biggs for the WBC, WBA and IBF titles on 10/16/87 in Atlantic City, New Jersey. At the time, Tyson was 31-0 and Biggs was 15-0.
Here is an old school match-up between Igor Vovchanchyn and Paul Varelans from IFC 1 Combat in Kiev which took place on 3/30/96. Igor ends up winning the tournament, with Bas Rutten at the mic.