Alex Oliveira Biography – Brazilian Mixed Martial Artist

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Alex Oliveira Bio

Alex Oliveira is a Brazilian UFC fighter who competes in Welterweight division. Photo Source: Alex Oliveira's Instagram.

Last updated on March 26th, 2022 at 05:27 pm

Alex Oliveira is a well-renowned fighter in the Ultimate Fighting Championship (UFC). He competes in the Welterweight division in the brand. In addition, he has won many competitions and cashed notable prize money and bonuses.

The sportsman had an early start in MMA at twenty-two. He soon advanced to UFC and began showing his dominance. So, let’s learn more about his background, family, career, earnings, wife, and more in this biography.

Alex Oliveira Had A Humble Beginnings

The fighter was born Alex de Oliveira on February 21, 1998, in Três Rios, Rio de Janeiro, Brazil. He is nicknamed Cowboy as a homage to his bull-riding days.

The athlete’s family had a low economic situation. So he accompanied his mom to clean houses to earn money at a young age. Moreover, Alex’s first real job was feeding and tending cows and horses for fifty cents a day. He dropped out of school at nine to help earn money.

Alex Oliveira’s mother, Simonete Oliveira, played a big part in raising him and his siblings. Furthermore, Alex loves his mama and even bought her a three-bedroom house and motorcycle from his performance bonus.


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The young guy grew up in a violent neighborhood where he lost two of his brothers to stabbing and shooting. He had seven siblings, some of whom are Sabrina De Oliveira, Mari Oliveira and Leandro Oliveira. In addition, he discovered his potential in fighting after saving his brother, Leandro, from the gang.

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Alex Oliveira Net Worth And Career

The MMA fighter initially worked as a construction worker. He had also tried his hands on Rodeo Bull Riding but had to quit due to lack of sponsorship. After training in Muay Thai, he switched to MMA fighting.

Alex Oliveira’s net worth is heavily influenced by his fighting career. His earnings come from his fights, prize money, sponsors, etc.

The athlete’s first UFC match was at UFC Fight Night 62 on March 21, 2015. However, he only gained his first victory against K.J. Noons in his second match. Furthermore, he earned his first performance bonus of $50K at UFC Fight Night 77.

Let’s see some of his UFC stats and tournament money below:

Event Opponent Prize Money Performance Bonus Total
UFC On Fox 25 Ryan LaFlare $5K $50K $55K
UFC On Fox 29 Carlos Condit $50K $50K $100K
UFC 218 Yancy Medeiros $10K $50K $60K
UFC Vegas 38 Niko Price $72K $21K (Sponsorship) $93K

Alex is scheduled to fight Kevin Holland at UFC 272. His total career earnings is $687,200 as per Tapology. In addition, his income also benefits from his sponsors Pulser Fight, Canal10JF, Radade, etc.

Thus, Alex Oliveira’s net worth must be a notable figure from his fighting career.

Alex Oliveira Is A Married Guy

Talking about Oliveira’s relationship status, he is a happily married guy. He is wedded to a gorgeous woman named Mariana Cassiano.

The pair made headlines after the fighter was accused of assaulting his partner. He was reported to have pulled his spouse Marana’s hair, punched her, broke the windows, and rode away with his five-month-old son. However, Oliveira claimed the allegations were false after nine months of the scandal. He also clarified it was only an ordinary couple’s argument.

Alex Oliveira Wife Mariana Cassiano
Alex Oliveira was accused of physically assaulting his wife, Mariana Cassiano. Photo Source: Alex Oliveira’s Instagram.

Alex Oliveira’s wife, Mariana, didn’t want to report to the police, but her neighbors took her to the station. Her husband also mentioned they were together and were expecting another baby.

Whatever the case, the duo seems to have solved any misunderstandings. Both often appear together on Instagram.

Alex Is A Father Of Eleven Children

The MMA fighter has nine children from his previous relationship. He has welcomed two sons from his marriage with his partner, Mariana.

Alex Oliveira’s kids often appear on his IG posts. He loves them all and likely pays child support for all of his baby mamas. So, let’s wish him and his family more success in the future.