Op de avond van 27 april zal het UFC op ESPN 66 toernooi plaatsvinden in Kansas City. In afwachting daarvan ondergingen de deelnemers de verplichte weging.
Hoofdgevechten
Jian Machado Gary (171 pond / 77.56 kg) — Carlos Prates (171 pond / 77.56 kg)
Mingyan Zhang (206 pond / 93.44 kg) — Anthony Smith (206 pond / 93.44 kg)
Giga Chikadze (147 pond / 66.68 kg)* — David Onama (146 pond / 66.22 kg)
Abusupiyan Magomedov (185.5 pond / 84.14 kg) — Michel Pereira (186 pond / 84.37 kg)
Randy Brown (171 pond / 77.56 kg) — Nicolas Dalby (171 pond / 77.56 kg)
Ikram Aliskerov (185.5 pond / 84.14 kg) — Andre Muniz (185 pond / 83.91 kg)
Voorlopige gevechten
Jimmy Flick (126 pond / 57.15 kg) — Matt Schnell (126 pond / 57.15 kg)
Evan Elder (156 pond / 70.76 kg) — Gage Young (156 pond / 70.76 kg)
John Castaneda (146 pond / 66.22 kg) — Kris Gutierrez (146 pond / 66.22 kg)
Hailey Alateng (136 pond / 61.69 kg) — DaMon Blackshire (135.5 pond / 61.47 kg)
Cameron Saiman (135 pond / 61.23 kg) — Malcolm Wellmaker (135 pond / 61.23 kg)
Jacqueline Amorim (116 pond / 52.62 kg) — Polyana Viana (115.5 pond / 52.39 kg)
Timothy Kuamba (146 pond / 66.22 kg) — Roberto Romero (145 pond / 65.77 kg)
Chelsea Chandler (134 pond / 60.78 kg) — Joseline Edwards (136 pond / 61.69 kg)
