BKFC 33 took place Friday, November 18, 2022 with 12 fights at Liberty First Arena in Omaha, Nebraska

'Bare Knuckle Fighting Championship 1: The Beginning' was a bare-knuckle fighting event held by Bare Knuckle Fighting Championship on June 2, 2018 at the Cheyenne Ice and Events Center in Cheyenne, Wyoming, USA. This was the first bare-knuckle boxing event by Bare Knuckle Fighting Championship (BKFC) and the first sanctioned bare-knuckle boxing event in the United States since 1889. This event featured the quarter-final of a 8-Man Heavyweight Tournament.

UFC Fight Night 29: Maia vs. Shields was a mixed martial arts event held on October 9, 2013, at the Ginásio José Corrêa in Barueri, Brazil. The event was headlined by a welterweight bout between Demian Maia and Jake Shields.

UFC on FX 6: Sotiropoulos vs. Pearson was a mixed martial arts event held by the Ultimate Fighting Championship on 15 December 2012, at the Gold Coast Convention and Exhibition Centre in Queensland, Australia.

Bellator 124 took place on September 12, 2014 at the Compuware Arena in Plymouth Township, Michigan. The event aired live in prime time on Spike TV. Main Card: Emanuel Newton vs. Joey Beltran (Title Fight) Kelly Anundson vs. Liam McGeary L.C. Davis vs. Zeilton Rodrigues Tom Bagnasco vs. Ryan Couture

UFC Fight Night 23: Fight for the Troops 2 was a mixed martial arts event held by the Ultimate Fighting Championship on January 22, 2011 at Fort Hood, near Killeen, Texas.

The inaugural event was held on February 10, 2007. The event was held by Strikeforce and took place at the San Jose Civic Auditorium in San Jose, California.

'Bare Knuckle Fighting Championship 9: Lobov vs. Knight 2' was a bare-knuckle boxing event held by Bare Knuckle Fighting Championship on November 16, 2019 at the Mississippi Coast Coliseum in Biloxi, Mississippi, USA. The card was headline by a rematch between Artem Lobov and Jason Knight. The pair previously fought at Bare Knuckle FC 5 on April 6, 2019 with Lobov winning by unanimous decision.

UFC 109: Relentless was a mixed martial arts event held by the Ultimate Fighting Championship (UFC) on February 6, 2010 at the Mandalay Bay Events Center in Las Vegas, Nevada.

Bellator 155: Carvalho vs. Manhoef took place May 20, 2016 at the CenturyLink Arena, Boise, Idaho. The event aired live in prime time on Spike TV.

UFC 131: dos Santos vs. Carwin was a mixed martial arts event held by the Ultimate Fighting Championship on 11 June 2011 at the Rogers Arena in Vancouver, British Columbia, Canada.

UFC on Fox 2: Evans vs. Davis was a mixed martial arts event held by the Ultimate Fighting Championship on January 28, 2012, at the United Center in Chicago, Illinois.

Bellator 168: Sakara vs Beltran will be held on December 10, 2016 at the Nelson Mandela Forum in Florence, Italy. The event will air live in prime time on Spike TV. In the main event, Alessio Sakara faces Joey Beltran. Sakara made his Bellator debut earlier this year at the first Bellator event in Italy and defeated Brian Rogers by knockout in the second round. The event will also feature Bellator Kickboxing bouts including an anticipated female flyweight rematch between Denise Kielholtz and Gloria Peritore, the woman who defeated her this past June. The bout will be for the inaugural Bellator Kickboxing Female Flyweight World Championship.

UFC 113: Machida vs. Shogun 2 was a mixed martial arts event held by the Ultimate Fighting Championship on May 8, 2010 at the Bell Centre in Montreal, Quebec, Canada. UFC 113 featured the rematch between Lyoto Machida and Maurício Rua for the UFC Light Heavyweight Championship. The two first met at UFC 104, where Lyoto Machida retained his belt in a controversial unanimous decision victory.

UFC 136: Edgar vs. Maynard III was a mixed martial arts event held by the Ultimate Fighting Championship on October 8, 2011, at the Toyota Center in Houston, Texas.

UFC on Fuel TV 4: Munoz vs. Weidman was a mixed martial arts event held by the Ultimate Fighting Championship. The event took place on July 11, 2012 at the HP Pavilion in San Jose, California.

UFC 119: Mir vs. Cro Cop was a mixed martial arts event held by the Ultimate Fighting Championship on September 25, 2010 at Conseco Fieldhouse in Indianapolis, Indiana, United States. The event was the first that the UFC has hosted in Indiana.

'Bare Knuckle Fighting Championship 6: Malignaggi vs. Lobov' was a bare-knuckle boxing event held by Bare Knuckle Fighting Championship on June 22, 2019 at the Florida State Fairgrounds in Tampa, USA. The BKFC 6 main event was the highly anticipated bout between UFC veteran and The Ultimate Fighter 22 finalist, Artem Lobov against the former IBF junior welterweight and WBA welterweight champion, Paulie Malignaggi. On the main card, the fight between Johnny Bedford and Reggie Barnett Jr. was the final in the BKFC Lightweight Tournament. The winner of this tournament was awarded the inaugural BKFC Lightweight Championship and Police Gazette Lightweight American Championship.

'Bare Knuckle Fighting Championship 4: USA vs Mexico' was a bare-knuckle fighting event held by Bare Knuckle Fighting Championship on February 2, 2019 at the Beto Ávila Stadium in Cancun, Mexico. This was the first international bare-knuckle boxing event by Bare Knuckle Fighting Championship (BKFC).

'Bare Knuckle Fighting Championship 2: A New Era' was a bare-knuckle fighting event held by Bare Knuckle Fighting Championship on August 25, 2018 at the Mississippi Coast Coliseum in Biloxi, Mississippi, USA. This event featured the semi-final of a 8-Man Heavyweight Tournament. The inaugural Police Gazette Women's Featherweight champion, Bec Rawlings, was awarded this title by the Bare Knuckle Boxing Hall of Fame 3 days after her win over Alma Garcia at BKFC 1, making her fight with Britain Hart her first title defense.