Time is now fighters share one thing in common

Thought it'd be interesting to know that these guys have one opponent in common. Can you guess who?

Jon defeated Lyoto, Gustafsson, Vitor.
Andy defeated Vitor lost to Chris.
Chris defeated Andy and Lyoto, now faces Vitor.
Rumble lost to Vitor, now faces Gustafsson. Phone Post 3.0

I don't get it Phone Post 3.0

Sir Psycho Sexy - I don't get it Phone Post 3.0
A lot of fighters at the conference have fought Vitor at one point in time. Phone Post 3.0