Although Topuria has fought at lightweight in the past, this move up seemingly is a full commitment, and the differences in his frame could be spotted when he stepped on the scale at 155 pounds. There was a brief moment of confusion when the commission representative announced Topuria at 155.

The vacant UFC lightweight championship is up for grabs at UFC 317, with Ilia Topuria vs. Charles Oliveira, with the flyweight title on the line in the co-main.

The UFC 317 fight between Ilia Topuria and Charles Oliveira will be available through pay-per-view in the US on ESPN+. ESPN+ subscribers can opt to add it on to their monthly plan ( click here to see how ), and it's a $79.99 add-on to the monthly subscription.