Conor McGregor could show the world he is better than ever in Dustin Poirier UFC 257 rematch
![Conor McGregor could show the world he is better than ever in Dustin Poirier UFC 257 rematch](https://i.dailymail.co.uk/1s/2021/01/18/14/38152700-0-image-a-29_1610979777731.jpg)
Just 40 seconds of ferocity and spell-binding accuracy in the demolition of Donald Cerrone is all fans have been privy to since Conor McGregor lost to Khabib Nurmagomedov in 2018. Not for long.