MMA is just like any other sport: There will always be guys that get under people's skin and make fans ready to jump them.
Whether it's because of trash talk, poor decisions, or claims that seem too good or silly to be true, some guys really just seem too full of themselves to be liked.
Here's a list of the biggest jerks in MMA.
James Toney is a very accomplished boxer, but the same cannot be said about his short stint with MMA.
Even after Randy Couture made short work of Toney, he continued to call out MMA fighters, including Quinton "Rampage" Jackson.
Anyone who’s followed this sport long enough has seen a bad decision.
One of the main judges behind of them was Cecil Peoples.
Surprisingly, Peoples was a former referee in MMA before moving on to judging.
One of the biggest fights that many believe he screwed up was the first fight between Lyoto Machida and Mauricio “Shogun” Rua.
Rampage is a funny guy outside of the Octagon.
Inside, he’s all business.
However, if you’re a reporter or a door, Rampage will toy around with you and become one of the worst people to interview.
Of course he does it for laughs, but it could be a major headache.
He also made many people angry when he chose to do the A-Team instead of fight Rashad Evans.
Josh Koscheck has grown to be a good MMA fighter.
He’s also become more and more of a jerk.
Koscheck has talked trash to just about everybody he’s faced, pissed Dana White off when he said he’d refuse to fight his teammate and almost got into it with one of Georges St-Pierre’s trainers on The Ultimate Fighter.
Brock Lesnar is the UFC’s biggest draw.
After he defeated Frank Mir at UFC 100, he looked like one of the biggest jackasses in the sport.
Lesnar made remarks against Bud Light, one of the UFC’s biggest sponsors at the time, as well as saying some things he would do to his then-pregnant wife, Sable.
Lesnar is really a very private person who only comes into the spotlight when a fight comes around—but that night he became one of the sport’s biggest heels.
Steven Seagal is known for his action movies (both major Hollywood films and direct-to-video), as well as being legitimate in his studying of martial arts.
Seagal has been questioned, though, for the claims that he taught Anderson Silva and Lyoto Machida their famous kicks.
Although he is very accomplished in Aikido, many believe there's no way that he's the best kept secret in MMA.
Nick Diaz is one of the best welterweights in MMA today.
He’s also one of the most difficult fighters to deal with in the sport.
Although he may be just misunderstood, being pulled from a fight for the simple fact that you don’t like doing press conferences is unacceptable.
Ortiz has long been one of the bad boys of the UFC.
Over the course of his career, Ortiz has pissed off Dana White, Ken Shamrock and Chuck Liddell. Ortiz even took shots at Matt Hamill, claiming he had a “soft head” because he was deaf.
Ortiz has calmed down some over the past year, but is always one comment away from being a jackass.
Want to see how much of a jackass Michael Bisping is?
Just look at the two seasons of the Ultimate Fighter that he’s coached.
Also look at his fight with Jorge Riviera, and it’s easy to see why he’s one of the most-hated fighters in MMA today.
Chael “The Gangster from America” Sonnen has rubbed many people the wrong way, and most of them just happen to be from Brazil.
Not only does Sonnen disrespect just about every fighter from Anderson Silva’s camp, he also doesn’t hold his tongue against Michael Bisping, Alistair Overeem and just about any other fighter not named Brian Stann.
Sonnen could be making up everything he says to sell his fights. Or, he could be crazy enough to believe it all.