Conor McGregor's teammate Johnny Walker was 'sent to sleep' by a vicious first round stoppage against Jamahal Hill at UFC Fight Night.
The pair clashed in a battle to cement their status in the top ten 205lbs with both Hill and Walker viewed as two of the brightest prospects in the division.
Hill delivered the knockout blow in the opening round with a brutal blow to the head that sent his opponent collapsed to the canvas out cold.
