Heavyweight Antonio Rodrigo Nogueira and light heavyweight Rashad Evans weigh in on who they want to fight next in the Ultimate Fighting Championship (UFC) Octagon, when they finally return to compete.

Both fighters have been out for quite a while, with Nogueira's last fight coming six months ago in April with a Knockout loss to Roy Nelson, and Evans last competing last November 2013 with a submission victory against Chael Sonnen.

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Since their last fights, they had been sidelined due to injuries.

In a recent report, Evans said that he wanted to go up against top contender in Swedish Alexander Gustafsson. During an interview during the Fox Sports 1 UFC 178 post-event show, Evans he would definitely want to fight Gustafsson. 

He admitted that he was keeping a close eye on Gustafsson performances, and noted that he had been steadily improving throughout all the fights he has been in.

The challenge could also possible be because beating Gustafsson could instantly push Evans into title contention.

Suffice it to say, Gustafsson, who is itching for his rematch with light heavyweight champion Jon Jones, was not too happy about being called out by another fighter.

Nogueira, like Gustafsson, has his sights set on vengeance. He has recently called out Frank Mir for his next fight.

Mir had already beaten Nogueira twice. The first time, he gave Nogueira his first knockout loss in the UFC, and the second, he broke Nog's arm with kimura.

Despite the fact that UFC President Dana White wants Nogueira to retire, the fighter from Brazil says he still wants to fight two more times before he hangs up his gloves.

He said in a recent interview that he can't swallow his last loss to Mir, and with both fighters needing the win, it could build up to be an exciting match.

While this is Nogueira's plan for 2015, he is still thinking about while he is on his vacation.

Tagsantonio rodrigo nogueira, rashad evans, UFC, Alexander Gustafsson, Frank Mir