UFC Vegas 88 took place on Saturday at the UFC Apex in Las Vegas and was headlined by a heavyweight bout between Top 10 ranked  Tai Tuivasa and  Marcin Tybura .   Tuivasa entered the octagon on Saturday ranked ninth and in desperate need of a win. On a three-fight losing streak, the knockout artist hoped to right the ship against Tybura.  Tybura was coming off a loss to interim champion Tom Aspinall in his last fight but had won seven of his last nine matches