John Kavanagh says that's the 'best version' of Conor McGregor 'so far,' and the fighter will be back in the gym on Monday

2:19am PST - January 19th, 2020    t-mobile arena - Business Insider

Conor McGregor just destroyed Donald Cerrone and the Irishman's head trainer John Kavanagh called the performance the "best version" of the fighter "so far." McGregor busted Cerrone's nose by shoulder barging his face, stunned him with a leg kick, then finish…