Ivan doesn't hold back on his thoughts on Conor McGregor.
The former two-weight UFC champion of the world announced his retirement on social media, with the public firmly split on whether he means it or not.
Two people who don't believe it for a second were MMA commentator Neil Keegan, and MMA fighter and commentator Phoenix Carnevale.
But can you seperate 'McGregor the fighter' from 'McGregor the man'?
