Conor McGregor has insisted he will keep fighting despite seeing his chance of a rematch with Khabib Nurmagomedov go up in smoke.McGregor has long been desperate to avenge his defeat by the UFC lightweight legend after being choked out in 2018.But after Nurmagomedov retired from the sport after his win over Justin Gaethje, McGregor insisted he will not follow him in hanging up his gloves.He