EN FOTOS: Floyd Mayweather sorprende en pesaje previo a duelo ante McGregor

MM20. LAS VEGAS (ESTADOS UNIDOS), 25/08/2017.- Asistentes reaccionan durante la ceremonia de pesaje del campeón de la UFC, Conor McGregor y el boxeador estadounidense Floyd Mayweather hoy, viernes 25 de agosto de 2017, en el estadio MOBILE en Las Vegas, Nevada (EE.UU.).

Floyd Mayweather Jr. (izquierda) y Conor McGregor posan durante la ceremonia de pesaje realizada el viernes 25 de agosto de 2017 en Las Vegas (AP Foto/John Locher)

Floyd Mayweather Jr., y Conor McGregor se miran a la cara durante la ceremonia de pesaje realizada el viernes 25 de agosto de 2017 en Las Vegas (AP Foto/John Locher)

LAS VEGAS, NV - AUGUST 25: UFC lightweight champion Conor McGregor (R) screams after the face off with Floyd Mayweather Jr. during their official weigh-in at T-Mobile Arena on August 25, 2017 in Las Vegas, Nevada. The two will meet in a super welterweight boxing match at T-Mobile Arena on August 26. (Photo by Ethan Miller/Getty Images)

LAS VEGAS, NV - AUGUST 25: Boxer Floyd Mayweather Jr. (L) and UFC lightweight champion Conor McGregor face off during their official weigh-in at T-Mobile Arena on August 25, 2017 in Las Vegas, Nevada. The two will meet in a super welterweight boxing match at T-Mobile Arena on August 26. (Photo by Ethan Miller/Getty Images)

LAS VEGAS, NV - AUGUST 25: UFC lightweight champion Conor McGregor screams after the face off with Floyd Mayweather Jr. during their official weigh-in at T-Mobile Arena on August 25, 2017 in Las Vegas, Nevada. The two will meet in a super welterweight boxing match at T-Mobile Arena on August 26.

LAS VEGAS, NV - AUGUST 25: Fans of UFC lightweight champion Conor McGregor pose at the official weigh-in before McGregor and boxer Floyd Mayweather Jr. take the stage at T-Mobile Arena on August 25, 2017 in Las Vegas, Nevada. The two will meet in a super welterweight boxing match at T-Mobile Arena on August 26.

LAS VEGAS, NV - AUGUST 25: UFC lightweight champion Conor McGregor (R) screams after the face off with Floyd Mayweather Jr. during their official weigh-in at T-Mobile Arena on August 25, 2017 in Las Vegas, Nevada. The two will meet in a super welterweight boxing match at T-Mobile Arena on August 26.

LAS VEGAS, NV - AUGUST 25: Boxer Floyd Mayweather Jr. (L) and UFC lightweight champion Conor McGregor face off during their official weigh-in at T-Mobile Arena on August 25, 2017 in Las Vegas, Nevada. The two will meet in a super welterweight boxing match at T-Mobile Arena on August 26.

LAS VEGAS, NV - AUGUST 25: UFC lightweight champion Conor McGregor poses on the scale during his official weigh-in at T-Mobile Arena on August 25, 2017 in Las Vegas, Nevada. Mayweather will meet boxer Floyd Mayweather Jr. in a super welterweight boxing match at T-Mobile Arena on August 26.

Boxer Floyd Mayweather Jr. (L) and MMA figher Connor Mcgregor pose during their weigh- in on August 25, 2017, in Las Vegas, Nevada. Mayweather, the 40-year-old undefeated former welterweight boxing champion, will face McGregor, a star of mixed martial arts’ Ultimate Fighting Championship, in a 12-round contest under boxing rules on August 26. / AFP PHOTO / John GURZINSKIJOHN GURZINSKI/AFP/Getty Images ** OUTS - ELSENT, FPG, CM - OUTS * NM, PH, VA if sourced by CT, LA or MoD **  (JOHN GURZINSKI / AFP/Getty Images)

Boxer Floyd Mayweather Jr. (R) and MMA figher Connor Mcgregor pose during their weigh- in on August 25, 2017, in Las Vegas, Nevada. Mayweather, the 40-year-old undefeated former welterweight boxing champion, will face McGregor, a star of mixed martial arts’ Ultimate Fighting Championship, in a 12-round contest under boxing rules on August 26. / AFP PHOTO / John GURZINSKIJOHN GURZINSKI/AFP/Getty Images ** OUTS - ELSENT, FPG, CM - OUTS * NM, PH, VA if sourced by CT, LA or MoD **  (JOHN GURZINSKI / AFP/Getty Images)

Boxer Floyd Mayweather Jr. (R) and MMA figher Connor Mcgregor pose during their weigh- in on August 25, 2017, in Las Vegas, Nevada. Mayweather, the 40-year-old undefeated former welterweight boxing champion, will face McGregor, a star of mixed martial arts’ Ultimate Fighting Championship, in a 12-round contest under boxing rules on August 26.

Boxer Floyd Mayweather Jr. (R) and MMA figher Connor Mcgregor pose during their weigh- in on August 25, 2017, in Las Vegas, Nevada. Mayweather, the 40-year-old undefeated former welterweight boxing champion, will face McGregor, a star of mixed martial arts’ Ultimate Fighting Championship, in a 12-round contest under boxing rules on August 26.