WATCH - Floyd Mayweather shows us the 'Irish' mouthguard he may wear in Conor McGregor fight
Floyd Mayweather has shown fight fans the mouthguards he is going to choose from for this week's clash with Conor McGregor, including one containing the Irish tricolour.
The UFC have released the latest episode in their 'Mayweather vs. McGregor Embedded' vlog, giving us a unique insight into both fighter's preparations for Saturday's showdown.
Renowned boxing referee Joe Cortez, who has been helping with Conor McGregor's build-up for the fight, also claims that the Irishman has improved '100pc' since the first time he saw him.
"I was very impressed today, compared to the first night. 100pc better," Cortez said.
Watch the video below: