Betwinners Soccer news: No shortage of confidence. Conor McGregor says he will beat Khabib Nurmagomedov by "devastating knockout" in his comeback UFC fight. Full story: https://t.co/t5MCuclLVb https://t.co/U4RvMA0Eru

No shortage of confidence. Conor McGregor says he will beat Khabib Nurmagomedov by "devastating knockout" in his comeback UFC fight. Full story: https://t.co/t5MCuclLVb https://t.co/U4RvMA0Eru