By Harry Davies UFC star Andre Lima won his fight by disqualification after Igor Severino BIT him – and the Brazilian got a tattoo to memorialise the moment. Unbeaten Brazilian fighters Lima and Severino met in a flyweight fight on Saturday night in Las Vegas. The opening round was evenly contested but nobody could predict what unfolded during a grappling exchange in the second round. When Severino attempted a takedown, Lima signalled that something was wrong to referee Chris Tognoni. Tognoni called a halt to the action and the instant reply showed Severino bit Lima on his bicep, leaving teeth…