Active fighter who has faced the toughest competition in the UFC?

[DaffodilMcWoozy]

I'd say Robbie Lawler considering who he fought and when he fought them;

condit, rory x2, hendricks x2, matt brown, ellenberger, koscheck, tim kennedy, ronaldo souza, lorenz larkin, melvin manhoef, jake shields, nick diaz, scott smith x2, jason miller x2, frank trigg, chris lytle, ninja rua, adlan amagov, etc.

 

[Chad R. Thundercock]

Sage Northcutt

 

[Greedy Dana]

Sage Northcutt
EDIT: Thunderhead beat me there

 

[joeyjoejoe]

Jon Jones.

 

[CTYankee]

Jones.

 

[Cdizzle]

Anderson Silva and Jon Jones

 

[Son of Werdum]

Jones now

GSP all time UFC

Dan Henderson all time MMA

 

[Chad R. Thundercock]

Jon Jones.

Jones.

/thread

 

[Randy BoBandy]

Machida or Jones

 

[Schoolboy Q]

Jon Jones.

 

[TheBulletwithWings]

Vitor.
Randy Chuck tito Rich AS Wand Hendo jones rumble luke Weidman

 

[grecobjj]

Edgar
Swanson/faber/bendo x2/Penn x3/oliveria/Maynard x2/ aldo/mendes/sherk/franca

 

[B0ZZ]

Aldo
Poirier
Siver
Brandao
Holloway
And that black dude with the visor

 

[The real JG]

CM Punk.

 

[doomy200]

Machida's fought just about everyone haha

 

[_underscore_]

Jones now

GSP all time UFC

Dan Henderson all time MMA

Brilliant! Kevin Randleman had a tough all-time opposition list too.

 

[Glove]

Dan Henderson

 

[BONES]

Aldo
Poirier
Siver
Brandao
Holloway
And that black dude with the visor

you forgot someone

 

[danny23]

It's Robbie Lawler,then RDA for champions.
Hendo has faced toughest all time competition.

 

[TheBulletwithWings]

Machida's fought just about everyone haha

Now add chuck and AS to his resume and you have VITOR.