Floyd Mayweather, right, during open training session in Moscow at the Rossiya State Concert Hall.04.12.2015#2752120
Attendees at Floyd Mayweather's open training session in Moscow at the Rossiya State Concert Hall.04.12.2015#2752119
Rostec CEO Sergei Chemezov, left, presents Floyd Mayweather with keys to the Russia-produced car 'Lada Vesta'.04.12.2015#2752118
Director of the Boxing Academy Oleg Zhadobin attends Floyd Mayweather's open training session in Moscow at the Rossiya State Concert Hall.04.12.2015#2752117
Floyd Mayweather starts his open training session in Moscow at the Rossiya State Concert Hall.04.12.2015#2752116
Floyd Mayweather during his open training session in Moscow at the Rossiya State Concert Hall.04.12.2015#2752115
Floyd Mayweather starts his open training session in Moscow at the Rossiya State Concert Hall.04.12.2015#2752114
Floyd Mayweather, right, during his open training session in Moscow at the Rossiya State Concert Hall.04.12.2015#2752113
Floyd Mayweather during his open training session in Moscow at the Rossiya State Concert Hall.04.12.2015#2752112
Floyd Mayweather during his open training session in Moscow at the Rossiya State Concert Hall.04.12.2015#2752111
Floyd Mayweather during his open training session in Moscow at the Rossiya State Concert Hall.04.12.2015#2752110
Viewers during Floyd Mayweather's open training session in Moscow at the Rossiya State Concert Hall.04.12.2015#2752109
Rostekh CEO Sergei Chemezov during the open training session conducted by American boxer Floyd Mayweather in the Rossiya State Central Concert Hall.04.12.2015#2752108
Spectators during an open training session conducted by American boxer Floyd Mayweather at the Rossiya State Central Concert Hall.04.12.2015#2752107
American boxer Floyd Mayweather during an open training session at the Rossiya State Central Concert Hall.04.12.2015#2752106
American boxer Floyd Mayweather (right) conducts an open training session at the Rossiya State Central Concert Hall.04.12.2015#2752105
Spectators during the open training session held by American boxer Floyd Mayweather at the Rossiya State Central Concert Hall.04.12.2015#2752104
American boxer Floyd Mayweather during an open training session at the Rossiya State Central Concert Hall.04.12.2015#2752102
