1. Jon Jones

It only seems about a year ago that he captured his UFC light-heavyweight title. However it was three years ago now and he has since defended it six times. Jones has beat four former UFC champions including Quinton 'Rampage' Jackson and Lyoto Machida.

He's looked invincible in all but one of his fights - his last bout against Swede Alexander Gustaffson. Jones meets Brazilian Glover Teixeria next in his seventh title defence.

2. Jose Aldo

With Anderson Silva now having lost his title, UFC featherweight champion Aldo is Brazil's most successful star at the minute.

Aldo is a beast to say the least. He has immense striking and Jiu-Jitsu to match. He's defended his UFC (formely WEC) 145lbs title eight times, running through Ricardo Lamas last time.

3. Renan Barao

Not far behind Aldo for carrying the Brazilian flag is UFC bantamweight champion Barao. There was a lot of hype around Barao when he entered the WEC. The hype has gone all the way as he is now the 135lbs champion.

He has finished his last three fights, with his most recent victim being no other than Urijah Faber. Barao will next meet Faber's teammate T.J. Dillashaw at UFC 173 in May.

4. Demitrious Johnson

Since his move to flyweight, 'Mighty Mouse' has been a class act. He was always too small for 135lbs, although that didn't stop him gaining a title shot there. However, at 125lbs he's an impressive 5-0-1.

And for a small guy, he has a lot of power as displayed his last bout against Joseph Benavidez. Along with this he has excellent submissions and lightening speed that may be the fastest in MMA.

5. Johnny Hendricks

The UFC has a new welterweight champion due to Georges St. Pierre vacating the title and Hendricks is by far most worthy of being champion. He gave GSP the toughest fight of his life.

He has beaten top opponents including Martin Kampmann, former title challenger Carlos Condit and Josh Koscheck. Hendricks has massive power in his hands and will be tough to beat.

6. Anthony Pettis

Pettis finally managed to get some of the 'Ninja Kick' reputation off of him at UFC 164 when he captured the UFC 164 title impressively from Benson Henderson. 'Showtime' has some of the most dynamic striking in MMA, along with a world-class submission game. He's earned himself a TUF coaching role against Gilbert Melendez who he meets next.

7. Cain Velasquez

A lot of people may wonder why I've put the UFC heavyweight champion so low on this list. Well, it's the competition he's fought lately. He comprehensively beat Antonio 'Bigfoot' Silva once, then crushed Junior dos Santos to regain the title. It hasn't been a massive test for Cain and until he returns from injury and meets other heavyweights, he's staying at six.

8. Chris Weidmann

The new king of the UFC middleweight division. He snapped Anderson Silva's red-hot winning streak in 2013 and beat him again in December. However, one was due to Silva's cockiness, the other due to a broken leg. Yet he has looked unstoppabable in all of his bouts, waltzing past Mark Munoz and Demian Maia

9. Alexander Gustaffson

Maybe Gustaffson should be the UFC light heavyweight champion. He had an absolutely class fight with Jon Jones in September that went down in history. He lost the fight by a razor-thin split decision, with many saying that 'The Mauler' should have had his hand raised. That was only his second loss of his career, however he has bounced back beating British stand out Jimi Manuwa in London. Gustaffson now awaits the winner of Jones and Teixeria.

10. Vitor Belfort

At middleweight, Belfort is a scary dude. He's traditionally known for his boxing, however lately he has added kicks to his arsenal snd in his last three bouts against Michael Bisping, Luke Rockhold and Dan Henderson. His only losses since rejoining the UFC have been in title fights against Anderson Silva and Jon Jones. 

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