UFC Top Contenders Today VS 5 Years Ago (Every Weight Class)

I own no images or music in this video music - Metzmusic It's common knowledge that the sport of MMA has evolved massively over the years, but I wanted to compare the top 5 fighters of today vs the top 5 fighters of 2020 (before the covid era) to see how much of a change and how much better the fighters are today compared to 2020.