In the following video, we see some of the most incredible body transformations in UFC history and some are quite shocking to say the least.

One of the most shocking transformations on the list is UFC superstar Conor McGregor who is known to have cut insane amounts of weight in order to make 145 during his time as a featherweight. He is by no means a small man and has wide, muscular shoulders and fighting at 145 is quite extreme though he managed to always make weight every time showing that he’s a true professional.

Now on the other hand fighting at 170lbs is a bit of a stretch for him too especially compared to other fighters at that weight class as he is quite undersized in comparison. 155 appears to be just right for McGregor and hopefully he stays there for the remainder of his career.

Recently there has been talk of Conor making the move to boxing to fight all time great Floyd Mayweather and if it happens would most likely take place at 145. Floyd may not be book smart but he is very clever when it comes to promoting, business and managing his fight career in order to give him the biggest advantage possible before he even steps in the ring.

This is purely speculation but he would most likely insist on McGregor making 145lbs and perhaps even then placing a limit on how much he can put back on before fight time.

Also appearing on this list is former UFC light heavyweight champion Jon Jones who underwent an extensive power lifting regime prior to his most recent fight against Ovince Saint Preux at UFC 197. He bulked up quite considerably for that fight though it didn’t really help his fight game as it is speculated all that muscle mass slowed him down and limited his mobility in there.

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Also appearing on the video list are Alistair Overeem, as well as Anthony ‘Rumble’ Johnson who used to fight at 170 which is simply insane, and Vitor Belfort pre and post USADA and TRT era.