Floyd Mayweather is unbeaten in 49 fights as a pro and has a chance to pass Rocky Marciano on the perfect record list with win No. 50.
First 
During the first three rounds McGregor seemed to be up in the money bout .But as in MMA the fight did not last so long .
And on round 4:Floyd has started to attack Conor now in the fourth round. Floyd is going for body shots
And on round 5:Mayweather gets McGregor with a left hook in the fifth round!
Round6:Mayweather is pressing McGregor in Round 6. The MMA fighter is now looking a bit exhausted
Round 7 :Floyd is now clearly the aggressor and looks to be enjoying himself after Round 7
Round 8:Eight rounds have gone by and now Mayweather is starting to assert himself in this match. McGregor clearly looks tired as he is not used to fighting for such a long time in Mixed Martial Arts.
Round 9:Conor is starting to lose his legs now, he is completely exhausted. Floyd's fight now.
Round 10:Floyd beats Conor in 10 rounds by technical knockout to win the Fight of the Millennium. Mayweather stretches his career record to 50-0.
Mayweather's fighting style is solely based on defence. He makes his opponent miss and then he capitalizes on the mistakes and fights back. He will be applying the same tactics against McGregor, who is known to be aggressive but it might work against him in this fight. Conor though, is a very powerful fighter and has a heavy punch which he will be banking on against Floyd.And this technique really helped him to win the match .