World Jiu-Jitsu Championship
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| January 11 2025 | Dern faced Amanda Ribas in a rematch at UFC Fight Night 249, winning the fight via armbar submission at the end of the third round and earning another Performance of the Night award. |
| 2024 | B.J. Penn ran for Hawaii County Council in District 1 (North and South Hilo–Hamakua–Waimea). |
| 2024 | Mackenzie Dern announced her return to professional grappling competition after 7 years away from the sport. |
| December 5 2024 | Made his UFC Fight Pass debut in the main event of UFC Fight Pass Invitational 9, defeating Felipe Machado by decision. |
| November 2 2024 | Announced his departure from ONE Championship and signed an exclusive contract with UFC Fight Pass. |
| September 1 2024 | Planned title match against Kade Ruotolo for the ONE lightweight submission grappling title was cancelled due to Ruotolo's injury. |
| August 17 2024 | Mackenzie Dern competed against 2022 ADCC world champion Ffion Davies in a superfight at the inaugural Craig Jones Invitational, where she lost the match by submission due to an armbar. |
| August 16 2024 | Scheduled to compete in a superfight at the inaugural Craig Jones Invitational, but the match was cancelled. |
| August 3 2024 | Mackenzie Dern fought Loopy Godinez at UFC on ABC 7, winning the match by unanimous decision. |
| June 8 2024 | Defeated Brazil's Joao Gabriel Sousa by submission (calf slicer) at ONE 167 in Bangkok, Thailand |
| June 7 2024 | Competed against Gabriel Sousa in a bantamweight match at ONE 167, winning by submission. |
| February 2024 | Musumeci announced his departure from Pedigo Submission Fighting and joined Cobrinha BJJ to train under Rubens Charles Maciel. |
| February 17 2024 | Dern faced Amanda Lemos at UFC 298, after replacing Tatiana Suarez, but lost the fight by unanimous decision, receiving another Fight of the Night award. |
| 2023 | Mackenzie Dern was ranked 6th in the UFC women's strawweight rankings. |
| November 11 2023 | Mackenzie Dern faced former UFC Strawweight Champion Jéssica Andrade at UFC 295, losing the bout via TKO stoppage in the second round. |
| November 5 2023 | Announced a partnership deal with Meta, highlighting a significant professional milestone in his career. |
| October 7 2023 | Defeated Japan's Shinya Aoki by submission (inside heel hook) at ONE Fight Night 15 in Bangkok, Thailand |
| October 6 2023 | Competed in an openweight grappling match against Shinya Aoki at ONE Fight Night 15, winning by submission using an Aoki lock. |
| August 5 2023 | Defended his flyweight submission grappling title against Jarred Brooks at ONE Fight Night 13, winning with an armbar. |
| May 20 2023 | Dern headlined UFC Fight Night 223 against Angela Hill and won the fight via unanimous decision, earning the Fight of the Night award. |
| May 5 2023 | Successfully defended his flyweight title against Osamah Almarwai at ONE Fight Night 10, winning by rear-naked choke at 8:03. |
| January 14 2023 | Defended his title against Gantumur Bayanduuren at ONE on Prime Video 6, winning by unanimous decision after causing severe leg injuries through submission attempts. |
| 2022 | Following the gubernatorial election, Penn filed a complaint with the Hawaii Supreme Court contesting the results. |
| 2022 | B.J. Penn ran for governor of Hawaii in the 2022 Hawaii gubernatorial election but was eliminated in the Republican Party primary. |
| 2022 | Mackenzie Dern separated from her husband, professional surfer Wesley Santos. |
| October 1 2022 | Mackenzie Dern fought Yan Xiaonan at UFC Fight Night 211 but lost the bout via majority decision. |
| October 1 2022 | Won the inaugural ONE Flyweight Submission Grappling World Championship by defeating Cleber Sousa via unanimous decision after a 10-minute match at ONE on Prime Video 2. |
| April 22 2022 | Competed in a grappling bout against Masakazu Imanari at ONE 156 in Singapore, submitting Imanari by rear-naked choke and winning the $50,000 'Performance of the Night' bonus. |
| April 9 2022 | Dern faced Tecia Torres at UFC 273 and won the match by split decision. |
| January 21 2022 | Defended the WNO Bantamweight title against Estevan Martinez, winning by unanimous decision. |
| 2021 | Changed gyms and joined Pedigo Submission Fighting to train under Heath Pedigo, along with his sister Tammi. |
| 2021 | Won the World Championship in a lower weight division. |
| December 12 2021 | Defeated Brazil's Bruno Malfacine by points decision at IBJJF World Jiu-Jitsu Championship: Finals in Anaheim, California |
| October 20 2021 | Won the inaugural WNO Bantamweight title by submitting Richard Alarcon with a leglock dubbed 'The Mikey Lock'. |
| October 9 2021 | Mackenzie Dern fought Marina Rodriguez at UFC Fight Night 194 but lost the fight via unanimous decision, earning the Fight of the Night award. |
| October 5 2021 | B.J. Penn announced his intention to run for governor in the 2022 Hawaii gubernatorial election. |
| September 25 2021 | Lost to Brazil's Joao Gabriel Sousa by submission (north south choke) at 2021 FloGrappling WNO Championship: Day 1 in Austin, Texas |
| July 18 2021 | Defeated United States' Geovanny Martinez by points decision at Road to ADCC in Austin, Texas |
| July 17 2021 | Participated in 'Road to ADCC' event, defeating Geo Martinez 6-0 on points, which was followed by a heated confrontation on the mat. |
| June 18 2021 | Competed in WNO match against Edwin 'Junny' Ocasio, winning by unanimous decision. |
| May 28 2021 | Returned to WNO and submitted Lucas Pinheiro with a heelhook. |
| April 10 2021 | Dern faced Nina Nunes at UFC on ABC 2 and won the bout via first round armbar, earning her a Performance of the Night award. |
| March 26 2021 | Made his Who's Number One (WNO) debut, submitting Marcelo Cohen with an armbar from the triangle choke position. |
| January 23 2021 | B.J. Penn was arrested in Honokaa, Hawaii, and charged with DUI, later seen on video exhibiting belligerent behavior while being taken into custody. |
| 2020 | B.J. Penn appeared as himself in the video game EA Sports UFC 4. |
| 2020 | Won IBJJF European Open Championship in black belt division |
| 2020 | Nominated for Fan's Choice Submission of the Year for her submission victory against Hannah Cifers. |
| December 12 2020 | Mackenzie Dern fought Virna Jandiroba at UFC 256, winning the match by unanimous decision. |
| December 8 2020 | A paternity lawsuit was filed against B.J. Penn by the mother of his most recent child, Camila Amado. |
| September 19 2020 | Dern faced Randa Markos at UFC Fight Night 178, winning the fight via submission in the first round and earning her second straight Performance of the Night award. |
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This contents of the box above is based on material from the Wikipedia articles B.J. Penn, Mikey Musumeci & Mackenzie Dern, which are released under the Creative Commons Attribution-ShareAlike 4.0 International License.