Alongside, get in the cage and do your stuff on (Insert current Heavyweight Champ here)
The simple reason you don’t see it – is because they don’t know it.
Cast your mind back to the early days of the UFC.
Almost no-one knew any grappling / Ju Jitsu – so you did not see it.
https://www.russellstutely.com/why-dont-you-see-pressure-points-in-mma-fights/