Is Sergio Pettis Related To Anthony Pettis?

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Sergio Pettis and Anthony Pettis look eerily similar. But there’s more to them than just common faces. Many have wondered if they have any family connections. The two do have a lot of similarities. They started young in the MMA fighting journey and went on to have a multitude of wins. They both have pretty impressive mixed martial arts resumes.

Anthony’s fight record includes 25 wins and 14 losses while Sergio has 22 victories and 5 upsets. The two now, however, do not fight under the same promotion although they used to be UFC fighters. Anthony now performs for the Professional Fighters League while the other Pettis is one of the formidable contenders in the Bellator.

But are they really related? Do they really share the same bloodline? Decode the answer and some more in the facts below.

Are Sergio Pettis And Anthony Pettis Related?

Sergio and Anthony indeed are related to each other. The two are brothers with Sergio being six years younger than Anthony. Not only that, as mentioned, similar to his older brother, Sergio is also an MMA fighter and currently trains at the Roufusport MMA Academy in Milwaukee Wisconsin.

Former UFC fighters and brothers Sergio Pettis, left, and Anthony Pettis, right
Milwaukee Wisconsin-born MMA fighters and brothers Sergio, left, and Anthony Pettis. CBS

Sergio is the youngest of the Pettis brothers. They are three brothers in total with Reynaldo Pettis being the eldest. The Pettis brothers are the sons of Annette and Eugene Pettis. They are of Mexican ancestry.

Anthony often congratulates and mentions his younger brother, Sergio on his victories and special days. While Sergio admits he is in the spotlight due to his brother’s fame and that he is always going to be Anthony’s little brother, he insists he also has built his own legacy.

Sergio Pettis And Anthony Pettis Career At UFC

Anthony’s younger brother Sergio began his pro-MMA fighting career in Sep 2011. Sergio registered a record 8-0 before securing a deal with the UFC in 2013. The 1993-born made his UFC debut two years and a few months after his brother, Anthony’s first fight in the Zuffa-owned promotion.

After that, the younger Pettis went on to appear in a total of 14 fights. In his last fight at the Ultimate Fighting Championship, the BJJ black belt unanimously defeated the Portland Oregon-born Tyson Nam at the UFC 159. Both Pettis brothers have won 11 fights each in the UFC except that Anthony has nine defeats while his brother has only five. On the other hand, Sergio didn’t win a belt when in the UFC whereas his brother was the UFC Lightweight champion once.

Sergio And His Brother Also Appeared Together On Several UFC Fight Night

Sergio and Anthony have competed in the same UFC fight. In fact, the brothers have fought on the same UFC card a total of four times. This is despite the fact that the two had vowed to never do that. They first became fighters set to compete on the same night at UFC 181 in Dec 2014. That night they both won their respective duels.

Bellator MMA fighter Sergio Pettis and Professional Fighters League fighter Anthony Pettis at the UFC conference in Puerto Rico
The Pettis brothers Sergio and Anthony at the UFC conference in Puerto Rico. UFC

The second such occurrence happened at UFC 185 a few months later. However this time, both of the brothers faced defeat. The third time Sergio and Anthony lined up for the same fight night was at UFC 197 in April 2016. That night, only one got to enjoy the victory and it was the younger one. They last appeared on the same fight night in Oct 2018 at UFC 229. The event saw the younger and the older losing to Jussier Formiga and Tony Ferguson respectively.

Sergio Pettis After UFC Became A Bellator Fighter

After parting ways with the UFC, Sergio, too, became a free agent which was something his older brother had also done in Dec 2020.

Then in Oct 2019, Sergio signed a multi-fight deal with Bellator MMA. This however was different from his older brother who now fights in the Professional Fighters League of the founder Don Davis. Following his switch from the UFC to Bellator, Sergio started to defy critics who often panned him for his inability to finish. Shortly after joining the Bellator, the 5 foot 6 inches tall fighter stated he had come (to the BMMA) to make a legacy for himself, build his name up and get some belts of his own.

29 year old Bellator MMA fighter and Anthony Pettis brother Sergio Pettis
Former NAFC battleground fighter Sergio Pettis

In his BMMA debut, Sergio got a first-round submission victory against the California-born Alfred Khashakyan via guillotine choke. On his second promotional fight at Bellator 242, the ex-UFC fighter fought the New Jersey-born Ricky Bandejas in the main event. The younger Pettis emerged victorious thanks to his calm game plan. The result made him eligible for a title fight against the winner of that BMMA’s other match between Juan Archuleta and Patchy Mix; the former won.

The title match between Archuleta and Sergio however couldn’t happen in the wake of the global pandemic of 2020. It nonetheless happened at Bellator 258 on May 7, 2021. In the match for the bantamweight championship, Pettis dominated Archuleta and convincingly secured the victory via unanimous decision.

Ahead of his fight against Archuleta, the former NAFC bantamweight champion addressed the topic of being related to Anthony and making his own identity against his older brother’s spotlight.

I feel like I have built my own legacy. There’s a lot of media saying I’m the little brother still which I am. I’m always going to be Anthony’s little brother.

said the fighter with 22 wins during his interview with MMA Mania.

Anthony Pettis Made $30,000 By Betting On His Brother Sergio

Not only Anthony is related to Sergio but the older has also made money off of his little sibling. Back in Dec 2021, Anthony won nearly $30,000 on a $10,000 bet he made on his brother, Sergio to beat Kyoji Horiguchi. The fight happened at Bellator 272.

Anthony Pettis brother Sergio and his Bellator 272 opponent Kyoji Horiguchi
Sergio after winning his fight against Kyoji Horiguchi. MMA

Before the fight, the money line on Sergio winning the bout was +175. When it came to betting, the youngest Pettis who was defending the bantamweight belt was really an underdog. The Phenom, however, won the match which added a profit of $17,500 to his older brother’s $10,000 giving him a total return of $27,500.

The fight then again wasn’t easy for the Bellator 272 winner. The younger Pettis found himself down on the scorecard in the fourth round and looked like almost losing his title. Pettis however turned around the tie and knocked out Horiguchi in round four.


Narayan Shankar, who goes by the name David, is a seasoned writer and editor, who has a passion for covering the entertainment industry. He has years of experience writing content, especially in the entertainment niche. He is currently an editor and writer for along with other websites under our organization named Pandora Group of Companies.