Marcin Tybura vs. Sergei Spivac: Both men hit their stride immediately after their very first struggle, which Tybura handily received. Spivac has the advantage on paper: three times the takedown price, 2 times the takedown precision and virtually double the stoppage rate of Tybura. still it was Tybura who out-wrestled and tripled Spivac's strike wh