Leon Edwards surprises Usman with a last minute knockout

Leon Edwards knocked out a left head-kick in Round 5 of the main event of UFC 278

Edwards had to struggle a lot to build momentum after becoming champion in the first round

Usman kept the fight going with his best boxing

But during round 5, Usman had slowed down a lot

And edwards on the other hand looked a loser as his team begged him to come to life in the final round

Edwards pulled out a right jaw and kicked Usman into the left head side which caused him to fall out

It was the fourth latest finish in a championship fight

just seconds short of Usman's own finish of Colby Covington in 2019

All the results of this fight were shown in CBS Sports on Saturday