JJ Ryan Aldrich (born September 29, 1992) is an American mixed martial artist who competes in the women’s Flyweight division. She is currently signed with the Ultimate Fighting Championship and has fought for Invicta FC.

Early life Aldrich was born to a homeless single mother in Denver, Colorado. She grew up in homeless shelters with her mother and older sister, her father had gone to prison before she was born. Years later, Aldrich's mother established a childcare business which allowed the family to move out of the shelter. When JJ was nine, her mother brought the sisters to taekwondo classes at a local recreation center and by the age of thirteen JJ had already earned her black belt. Around those times, Aldrich's taekwondo teachers introduced her to the mixed martial arts gym – 303 Training Center – where she has been training to this day.

Aldrich is of Irish ancestry.

Mixed martial arts career Amateur career In 2010 Aldrich began looking for amateur bouts, eventually capturing several amateur titles in various organizations. During her amateur career she faced future UFC athletes like Raquel Pennington, Kailin Curran and Rachael Ostovich.

Invicta JJ Aldrich made her professional MMA career on September 6, 2014, at Invicta FC 8: Waterson vs. Tamada and she won the fight via unanimous decision (30-27, 30–27, 30–26).

Her next fight come one year later on February 27, 2015, at Invicta FC 11: Cyborg vs. Tweet, against Jamie Moyle where she lost in round one via rear-naked choke.

Aldrich was scheduled to face Daniela Kortmann on September 12, 2015, at Invicta FC 14: Evinger vs. Kianzad; however Kortmann was forced to pull from the card due to visa issue and was replaced by Rosa Acevedo. She won the fight via first-round knockout. She was awarded the Performance of the Night bonus award.

The Ultimate Fighter JJ Aldrich was a contestant on The Ultimate Fighter: Team Joanna vs. Team Cláudia. In the competition, Aldrich defeated Kristi Lopez by unanimous decision in the elimination round, then lost in the quarterfinals to Tatiana Suarez in round 2 by submission via rear-naked choke.

Freestyle Cage Fighting Aldrich faced Kathina Caton in September 2016 at Freestyle Cage Fighting 53. She won the fight in round one via technical knockout.

Return to Invicta Aldrich faced Lynn Alvarez on November 18, 2016, at Invicta FC: Evinger vs. Kunitskaya and she defeated Alvarez via unanimous decision. She was awarded her second Invicta Performance of the Night bonus award.

Ultimate Fighting Championship She signed with the UFC to fight Juliana Lima for UFC Fight Night 102 in Albany, New York on December 9, 2016. Aldrich was a late replacement for Lima's original opponent, Tatiana Suarez, who had to pull out of the bout due to injury. She lost the fight via unanimous decision.

Aldrich faced South Korean fighter Chan-Mi Jeon in Jeon's UFC debut for UFC Fight Night 110 in Auckland, New Zealand on June 11, 2017. She won the fight via unanimous decision.

Aldrich faced Danielle Taylor on January 14, 2018, at UFC Fight Night 124. She won the fight via unanimous decision.

Aldrich faced Polyana Viana on August 4, 2018, at UFC 227. She won the fight via unanimous decision.

Return to flyweight Aldrich returned to flyweight to face Maycee Barber at UFC Fight Night 148 on March 23, 2019. Aldrich lost the fight via technical knockout in round two.

Aldrich faced Lauren Mueller on October 12, 2019, at UFC Fight Night 161 She won the fight via unanimous decision.

Aldrich faced Sabina Mazo on January 18, 2020, at UFC 246. She lost the fight by split decision.

Aldrich faced Cortney Casey on March 13, 2021 at UFC Fight Night 187. She won the fight by split decision.

Aldrich was scheduled to face Tracy Cortez on August 28, 2021, at UFC on ESPN 30. However, Cortez was pulled from the fight due to injury, and she was replaced by Vanessa Demopoulos. Aldrich won the fight via unanimous decision.

Aldrich was scheduled to face Ariane Lipski on March 12, 2022, at UFC Fight Night 203. However, Lipski was removed from her match for undisclosed reasons, and she was replaced by Gillian Robertson. She won the fight via unanimous decision.

Aldrich faced Erin Blanchfield on June 4, 2022, at UFC Fight Night 207. She lost the bout via guillotine choke in the second round.

Aldrich faced Ariane Lipski on March 11, 2023 at UFC Fight Night 221. She lost the fight via unanimous decision.

Aldrich faced Na Liang at UFC Fight Night 225 on August 26, 2023. She won the bout via ground and pound TKO stoppage at the end of the second round.

Aldrich faced Montana De La Rosa, replacing Stephanie Egger, at UFC Fight Night 229 on October 7, 2023. She won the fight via unanimous decision.

Aldrich faced Veronica Hardy at UFC on ESPN 56 on May 11, 2024. She lost the fight by unanimous decision.

Aldrich faced Andrea Lee on March 1, 2025 at UFC Fight Night 253. She won the fight by unanimous decision.

Aldrich was scheduled to face Karine Silva on August 16, 2025 at UFC 319. However, Aldrich withdrew from the fight for undisclosed reasons and was replaced by Dione Barbosa.

Aldrich faced Jamey-Lyn Horth on April 18, 2026 at UFC Fight Night 273. She won the fight by unanimous decision. 9 out of 10 media outlets scored the bout for Horth.

Aldrich faced Regina Tarín on September 12, 2026 at UFC Fight Night 288. She lost the fight by unanimous decision.

Championships and accomplishments Mixed martial arts Ultimate Fighting Championship Tied (Andrea Lee, Valentina Shevchenko & Katlyn Cerminara) for most bouts in UFC Women's Flyweight division history (14) Tied (Valentina Shevchenko & Natália Silva) for second most decision wins in UFC Flyweight division history (7) Tied (Krzysztof Jotko & Gray Maynard) for third highest decision wins per win percentage in UFC history (90.9%) Forth most total fight time in UFC Flyweight division history (3:10:28)

Invicta FC Performance of the Night (Two times)

Amateur championships 2014 – Conflict MMA flyweight champion 2013 – Sparta Combat League (SCL) Amateur flyweight champion 2012 / 2013 – Destiny MMA Amateur flyweight champion

Mixed martial arts record

|Loss |align=center|15–8 |Regina Tarín |Decision (unanimous) |UFC Fight Night: Silva vs. Delgado | |align=center|3 |align=center|5:00 |Glendale, Arizona, United States

|Win |align=center|15–7 |Jamey-Lyn Horth |Decision (unanimous) |UFC Fight Night: Burns vs. Malott | |align=center|3 |align=center|5:00 |Winnipeg, Manitoba, Canada

|Win |align=center|14–7 |Andrea Lee |Decision (unanimous) |UFC Fight Night: Kape vs. Almabayev | |align=center|3 |align=center|5:00 |Las Vegas, Nevada, United States

|Loss |align=center|13–7 |Veronica Hardy |Decision (unanimous) |UFC on ESPN: Lewis vs. Nascimento | |align=center|3 |align=center|5:00 |St. Louis, Missouri, United States

|Win |align=center|13–6 |Montana De La Rosa |Decision (unanimous) |UFC Fight Night: Dawson vs. Green | |align=center|3 |align=center|5:00 |Las Vegas, Nevada, United States

|Win |align=center|12–6 |Liang Na |TKO (punches and elbows) |UFC Fight Night: Holloway vs. The Korean Zombie | |align=center|2 |align=center|4:49 |Kallang, Singapore

|Loss |align=center|11–6 |Ariane Lipski |Decision (unanimous) |UFC Fight Night: Yan vs. Dvalishvili | |align=center|3 |align=center|5:00 |Las Vegas, Nevada, United States

|Loss |align=center|11–5 |Erin Blanchfield |Submission (guillotine choke) |UFC Fight Night: Volkov vs. Rozenstruik | |align=center|2 |align=center|2:38 |Las Vegas, Nevada, United States

|Win |align=center|11–4 |Gillian Robertson |Decision (unanimous) |UFC Fight Night: Santos vs. Ankalaev | |align=center|3 |align=center|5:00 |Las Vegas, Nevada, United States

|Win |align=center|10–4 |Vanessa Demopoulos |Decision (unanimous) |UFC on ESPN: Barboza vs. Chikadze | |align=center|3 |align=center|5:00 |Las Vegas, Nevada, United States

|Win |align=center|9–4 |Cortney Casey |Decision (split) |UFC Fight Night: Edwards vs. Muhammad | |align=center|3 |align=center|5:00 |Las Vegas, Nevada, United States

|Loss |align=center|8–4 |Sabina Mazo |Decision (split) |UFC 246 | |align=center|3 |align=center|5:00 |Las Vegas, Nevada, United States

|Win |align=center|8–3 |Lauren Mueller |Decision (unanimous) |UFC Fight Night: Joanna vs. Waterson | |align=center|3 |align=center|5:00 |Tampa, Florida, United States

|Loss |align=center|7–3 |Maycee Barber |TKO (knee and punches) |UFC Fight Night: Thompson vs. Pettis | |align=center|2 |align=center|3:01 |Nashville, Tennessee, United States

|Win |align=center|7–2 |Polyana Viana |Decision (unanimous) |UFC 227 | |align=center|3 |align=center|5:00 |Los Angeles, California, United States

|Win |align=center|6–2 |Danielle Taylor |Decision (unanimous) |UFC Fight Night: Stephens vs. Choi | |align=center|3 |align=center|5:00 |St. Louis, Missouri, United States

|Win |align=center|5–2 |Jeon Chan-mi |Decision (unanimous) |UFC Fight Night: Lewis vs. Hunt | |align=center|3 |align=center|5:00 |Auckland, New Zealand

|Loss |align=center|4–2 |Juliana Lima |Decision (unanimous) |UFC Fight Night: Lewis vs. Abdurakhimov | |align=center|3 |align=center|5:00 |Albany, New York, United States

| Win | align=center| 4–1 | Lynn Alvarez | Decision (unanimous) | Invicta FC 20 | | align=center| 3 | align=center| 5:00 | Kansas City, Missouri, United States

| Win | align=center| 3–1 | Kathina Catron | TKO (punches) | Freestyle Cage Fighting 53 | | align=center| 1 | align=center| 3:01 | Tulsa, Oklahoma, United States

| Win | align=center| 2–1 | Rosa Acevedo | KO (knee and punches) | Invicta FC 14 | | align=center| 1 | align=center| 2:24 | Kansas City, Missouri, United States

| Loss | align=center| 1–1 | Jamie Moyle | Technical Submission (rear-naked choke) | Invicta FC 11 | | align=center| 1 | align=center| 2:20 | Los Angeles, California, United States

| Win | align=center| 1–0 | Delaney Owen | Decision (unanimous) | Invicta FC 8 | | align=center| 3 | align=center| 5:00 | Davenport, Iowa, United States

See also List of female mixed martial artists

References

External links