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.

Ilia Topuria's emergence as one of the top pound-for-pound fighters in the world has propelled him to the biggest stage of his career as he takes on former champion and future Hall of Famer Charles Oliveira for the vacant lightweight title on Saturday night at UFC 317.