![German heavyweight boxer Marco Huck poses during public training in Stuttgart, Germany, 21 February 2012. Marco Huck will fight Povetkin from Russia for the WBA world heavyweight championship at the Porsche Arena German heavyweight boxer Marco Huck poses during public training in Stuttgart, Germany, 21 February 2012. Marco Huck will fight Povetkin from Russia for the WBA world heavyweight championship at the Porsche Arena](https://c8.alamy.com/comp/D6GPGB/german-heavyweight-boxer-marco-huck-poses-during-public-training-in-D6GPGB.jpg)
German heavyweight boxer Marco Huck poses during public training in Stuttgart, Germany, 21 February 2012. Marco Huck will fight Povetkin from Russia for the WBA world heavyweight championship at the Porsche Arena
![Featherweight boxer Marco Antonio Barrera of Mexico celebrates his victory over "Prince" Naseem Hamed of England at the MGM Grand Garden Arena April 7, 2001 in Las Vegas. Barrera defeated the previously Featherweight boxer Marco Antonio Barrera of Mexico celebrates his victory over "Prince" Naseem Hamed of England at the MGM Grand Garden Arena April 7, 2001 in Las Vegas. Barrera defeated the previously](https://c8.alamy.com/comp/2D4CREX/featherweight-boxer-marco-antonio-barrera-of-mexico-celebrates-his-victory-over-prince-naseem-hamed-of-england-at-the-mgm-grand-garden-arena-april-7-2001-in-las-vegas-barrera-defeated-the-previously-unbeated-hamed-in-a-12-round-fight-by-a-unanimous-decision-smcp-2D4CREX.jpg)
Featherweight boxer Marco Antonio Barrera of Mexico celebrates his victory over "Prince" Naseem Hamed of England at the MGM Grand Garden Arena April 7, 2001 in Las Vegas. Barrera defeated the previously
![Boxer Marco Parente reacts as the referee announces his points loss to Nick Fantauzzi during boxing action in Toronto, on Saturday, December 15, 2018. THE CANADIAN PRESS/Chris Young Stock Photo - Alamy Boxer Marco Parente reacts as the referee announces his points loss to Nick Fantauzzi during boxing action in Toronto, on Saturday, December 15, 2018. THE CANADIAN PRESS/Chris Young Stock Photo - Alamy](https://c8.alamy.com/comp/2HRH9TH/boxer-marco-parente-reacts-as-the-referee-announces-his-points-loss-to-nick-fantauzzi-during-boxing-action-in-toronto-on-saturday-december-15-2018-the-canadian-presschris-young-2HRH9TH.jpg)