EN FOTOS: Las mejores imágenes de UFC en Las Vegas
Tony Ferguson, right, celebrates after defeating Edson Barboza in a lightweight bout during The Ultimate Fighter finale Friday, Dec. 11, 2015, in Las Vegas. (AP Photo/John Locher) (John Locher / AP)
LAS VEGAS, NV - DECEMBER 12: Tecia Torres (L) and Jocelyn Jones-Lybarger embrace after a strawweight fight during UFC 194 on December 12, 2015 in Las Vegas, Nevada. (Photo by Steve Marcus/Getty Images) ** OUTS - ELSENT, FPG, CM - OUTS * NM, PH, VA if sourced by CT, LA or MoD ** (Steve Marcus / Getty Images)
LAS VEGAS, NV - DECEMBER 12: Yoel Romero (L) punches Ronaldo Souza in a middleweight fight during UFC 194 at MGM Grand Garden Arena on December 12, 2015 in Las Vegas, Nevada. (Photo by Steve Marcus/Getty Images) ** OUTS - ELSENT, FPG, CM - OUTS * NM, PH, VA if sourced by CT, LA or MoD ** (Steve Marcus / Getty Images)
LAS VEGAS, NV - DECEMBER 12: Ronaldo Souza (R) kicks Yoel Romero in a middleweight fight during UFC 194 at MGM Grand Garden Arena on December 12, 2015 in Las Vegas, Nevada. (Photo by Steve Marcus/Getty Images) ** OUTS - ELSENT, FPG, CM - OUTS * NM, PH, VA if sourced by CT, LA or MoD ** (Steve Marcus / Getty Images)
Chris Weidman is attended to between rounds as he fights Luke Rockhold in a middleweight championship mixed martial arts bout at UFC 194, Saturday, Dec. 12, 2015, in Las Vegas. (AP Photo/John Locher) (John Locher / AP)
LAS VEGAS, NV - DECEMBER 12: Luke Rockhold (top) wrestles with Chris Weidman in their middleweight title fight during UFC 194 on December 12, 2015 in Las Vegas, Nevada. (Photo by Steve Marcus/Getty Images) ** OUTS - ELSENT, FPG, CM - OUTS * NM, PH, VA if sourced by CT, LA or MoD ** (Steve Marcus / Getty Images)
LAS VEGAS, NV - DECEMBER 12: Chris Weidman (R) bleeds from cuts on his face as he tries to fend off Luke Rockhold in their middleweight title fight during UFC 194 on December 12, 2015 in Las Vegas, Nevada. (Photo by Steve Marcus/Getty Images) ** OUTS - ELSENT, FPG, CM - OUTS * NM, PH, VA if sourced by CT, LA or MoD ** (Steve Marcus / Getty Images)
LAS VEGAS, NV - DECEMBER 12: Luke Rockhold (top) grapples with Chris Weidman in their middleweight title fight during UFC 194 on December 12, 2015 in Las Vegas, Nevada. (Photo by Steve Marcus/Getty Images) ** OUTS - ELSENT, FPG, CM - OUTS * NM, PH, VA if sourced by CT, LA or MoD ** (Steve Marcus / Getty Images)
LAS VEGAS, NV - DECEMBER 12: Luke Rockhold (L) walks away from a bloodied Chris Weidman after a fourth-round TKO in their middleweight title fight during UFC 194 on December 12, 2015 in Las Vegas, Nevada. (Photo by Steve Marcus/Getty Images) ** OUTS - ELSENT, FPG, CM - OUTS * NM, PH, VA if sourced by CT, LA or MoD ** (Steve Marcus / Getty Images)
Luke Rockhold, above, fights Chris Weidman in a middleweight championship mixed martial arts bout at UFC 194, Saturday, Dec. 12, 2015, in Las Vegas. (AP Photo/John Locher) (John Locher / AP)
Luke Rockhold, left, reacts after defeating Chris Weidman in a middleweight championship mixed martial arts bout at UFC 194, Saturday, Dec. 12, 2015, in Las Vegas. (AP Photo/John Locher) (John Locher / AP)
Luke Rockhold reacts after defeating Chris Weidman in a middleweight championship mixed martial arts bout at UFC 194, Saturday, Dec. 12, 2015, in Las Vegas. (AP Photo/John Locher) (John Locher / AP)
December 12, 2015; Las Vegas, NV, USA; Chris Weidman reacts following his defeat against Luke Rockhold during UFC 194 at MGM Grand Garden Arena. Mandatory Credit: Gary A. Vasquez-USA TODAY Sports ** Usable by SD ONLY ** (Gary A. Vasquez / Reuters Photo)
Conor McGregor knocks out Jose Aldo during a featherweight championship mixed martial arts bout at UFC 194, Saturday, Dec. 12, 2015, in Las Vegas. (AP Photo/John Locher) (John Locher / AP)
December 12, 2015; Las Vegas, NV, USA; Conor McGregor lands punches to win b technical knockout against Jose Aldo during UFC 194 at MGM Grand Garden Arena. Mandatory Credit: Gary A. Vasquez-USA TODAY Sports ** Usable by SD ONLY ** (Gary A. Vasquez / Reuters Photo)
December 12, 2015; Las Vegas, NV, USA; Luke Rockhold lands punches against Chris Weidman during UFC 194 at MGM Grand Garden Arena. Mandatory Credit: Gary A. Vasquez-USA TODAY Sports ** Usable by SD ONLY ** (Gary A. Vasquez / Reuters Photo)
Conor McGregor poses on the scale during the weigh-in for UFC 194 Friday, Dec. 11, 2015, in Las Vegas. McGregor is scheduled to fight Jose Aldo in a featherweight championship bout Saturday in Las Vegas. (AP Photo/John Locher) (John Locher / AP)
Chris Weidman is attended to between rounds as he fights Luke Rockhold in a middleweight championship mixed martial arts bout at UFC 194, Saturday, Dec. 12, 2015, in Las Vegas. (AP Photo/John Locher) (John Locher / AP)
Edson Barboza, left, fights Tony Ferguson in a lightweight bout during The Ultimate Fighter finale Friday, Dec. 11, 2015, in Las Vegas. (AP Photo/John Locher) (John Locher / AP)
Tony Ferguson, right, celebrates after defeating Edson Barboza in a lightweight bout during The Ultimate Fighter finale Friday, Dec. 11, 2015, in Las Vegas. (AP Photo/John Locher) (John Locher / AP)
Edson Barboza, left, hits Tony Ferguson in a lightweight bout during The Ultimate Fighter finale Friday, Dec. 11, 2015, in Las Vegas. (AP Photo/John Locher) (John Locher / AP)
Lightweight fighter Michael Chiesa, top, pounds on Jim Miller during a UFC Fight Night in Las Vegas on Thursday, Dec. 10, 2015. (L.E. Baskow/Las Vegas Sun via AP) LAS VEGAS REVIEW-JOURNAL OUT; MANDATORY CREDIT (L.E. Baskow / AP)