Konstantin Nikolaev Konstantin Nikolaev Konstantin Nikolaev () is a billionaire Russian businessman who is a co-owner of and , the largest private rail operator in Russia, CIS, and the Baltic states. He is a major investor in American Ethane and serves on its board. Late July 2018, his net worth was estimated at $1.2 billion. He allegedly is a financial supporter of Maria Butina. Through Igor Levitin, Alexey Mordashov, Arkady Rotenberg, Gennady Timchenko, and Alexander Voloshin, Konstantin Nikolaev is a partner and close associate of numerous persons in Vladimir Putin's inner circle. In 1996, Nikolaev, Nikita Mishin, Andrei Filatov, and Alexey Mordashov
Sparring Former Ultimate Fighting Championship fighter Jamie Varner came to an early retirement because he had a lot of head trauma in full contact sparring. UFC former welterweight champions Robbie Lawler and Johny Hendricks don't do full contact sparring. Sparring has different names and different forms in various schools. Some schools prefer not to call it sparring, as they feel it differs in kind from what is normally called sparring. Sparring Sparring is a form of training common to many combat sports. Although the precise form varies, it is essentially relatively 'free-form' fighting, with enough rules, customs, or agreements to make