Mei Yamaguchi
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Association: Freelance Pro Debut Date: 2007-03-11 Pro Record: 21-16-1 |
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Win Finish %: 52.3%
Quality Perf. %: 57.9%
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Last Ranked: 1/01/2025 Highest Quarterly Ranking: 10/01/2010 |
Complete Professional MMA Fight History
Fighter rankings represent most recent generated quarterly rating prior to the fight
| Opponent | Outcome | |
| L | Sayako Fujita |
Decision (Split) Round 3 |
Pancrase - 340: 30th Anniversary Tournament 2 Sunday, December 24th 2023 |
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| L |
Kanna Asakura #7 Women Atomweight |
Decision (Unanimous) Round 3 |
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Rizin FF - Landmark Vol. 5 Saturday, April 29th 2023 |
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| L |
Jihin Radzuan #69 Women Strawweight |
Decision (Unanimous) Round 3 |
One Championship - Bad Blood Friday, February 11th 2022 |
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| L |
Julie Mezabarba #13 Women Atomweight |
Decision (Unanimous) Round 3 |
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One Championship - Empower Friday, September 3rd 2021 |
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| L |
Denice Zamboanga #70 Women Strawweight |
Decision (Unanimous) Round 3 |
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One Championship - King of the Jungle Friday, February 28th 2020 |
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| W |
Zenny Huang #112 Women Strawweight |
Decision (Unanimous) Round 3 |
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One Championship - Century - Part 2 Sunday, October 13th 2019 |
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| W | Laura Balin |
Submission (Armbar) Round 1 |
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One Championship - Enter the Dragon Friday, May 17th 2019 |
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| W |
Kseniya Lachkova #38 Women Strawweight |
Submission (Armbar) Round 3 |
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One Championship - A New Era Sunday, March 31st 2019 |
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| W |
Jomary Torres #119 Women Strawweight |
Decision (Unanimous) Round 3 |
One Championship - Destiny of Champions Friday, December 7th 2018 |
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| L |
Angela Lee #18 Women Strawweight |
Decision (Unanimous) Round 5 |
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One Championship - Unstoppable Dreams Friday, May 18th 2018 |
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| W |
Gina Iniong #110 Women Strawweight |
Decision (Unanimous) Round 3 |
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One Championship - Immortal Pursuit Friday, November 24th 2017 |
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| W |
Zenny Huang #62 Women Strawweight |
Submission (Rear Naked Choke) Round 2 |
One Championship - Light of a Nation Friday, June 30th 2017 |
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| L |
Istela Nunes #52 Women Strawweight |
Decision (Split) Round 3 |
One Championship 45 - Heroes of the World Saturday, August 13th 2016 |
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| L |
Angela Lee #19 Women Flyweight |
Decision (Unanimous) Round 5 |
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One Championship 42 - Ascent to Power Friday, May 6th 2016 |
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| W |
Mina Kurobe #8 Women Atomweight |
Decision (Unanimous) Round 2 |
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Deep - Jewels 8 Sunday, May 31st 2015 |
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| W |
Satomi Takano #11 Women Atomweight |
TKO (Punches) Round 2 |
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Deep - Jewels 8 Sunday, May 31st 2015 |
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| W | Miyoko Kusaka |
KO (Knee to the Body) Round 1 |
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Deep - Jewels 7 Saturday, February 21st 2015 |
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| L |
Ayaka Hamasaki #1 Women Atomweight |
Decision (Unanimous) Round 2 |
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DEEP DREAM Impact: Omisoka Special Wednesday, December 31st 2014 |
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| W |
Yukiko Seki #21 Women Atomweight |
Technical Submission (Rear Naked Choke) Round 1 |
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Deep - Jewels 4 Sunday, May 18th 2014 |
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| L | Gina Iniong |
Decision (Split) Round 3 |
PXC - Pacific Xtreme Combat 43 Saturday, March 29th 2014 |
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| L |
Patricia Vidonic #13 Women Strawweight |
Decision (Split) Round 3 |
PXC - Pacific Xtreme Combat 40 Friday, October 25th 2013 |
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| W | Seo Ye Jung |
Submission (Armbar) Round 1 |
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Jewels - 24th Ring Saturday, May 25th 2013 |
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| L |
Megumi Fujii #3 Women Strawweight |
Decision (Unanimous) Round 2 |
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VTJ 2012 - Vale Tudo Japan 2012 Monday, December 24th 2012 |
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| W |
Emi Tomimatsu #19 Women Strawweight |
Decision (Unanimous) Round 2 |
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Jewels - 20th Ring Saturday, July 21st 2012 |
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| L |
Katja Kankaanpaa #13 Women Flyweight |
Decision (Unanimous) Round 3 |
BP 11 - Kankaanpaa vs. Yamaguchi Friday, March 23rd 2012 |
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| W |
Mika Nagano #13 Women Strawweight |
Decision (Split) Round 2 |
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Jewels - 17th Ring Saturday, December 17th 2011 |
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| L |
Seo Hee Ham #6 Women Strawweight |
Decision (Unanimous) Round 2 |
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Jewels - 15th Ring Saturday, July 9th 2011 |
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| W | Akiko Naito |
Submission (Armbar) Round 1 |
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Pancrase - Impressive Tour 4 Tuesday, May 3rd 2011 |
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| W |
Tomomi Takarada #10 Women Strawweight |
Decision (Majority) Round 2 |
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Pancrase - Impressive Tour 3 Sunday, April 3rd 2011 |
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| D |
Kyoko Takabayashi #10 Women Strawweight |
Draw Round 3 |
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GCM - Valkyrie 8 Sunday, November 28th 2010 |
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| W |
Yuka Tsuji #2 Women Strawweight |
Submission (Rear Naked Choke) Round 1 |
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GCM - Valkyrie 4 Thursday, February 11th 2010 |
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| W |
Kyoko Takabayashi #6 Women Strawweight |
Decision (Split) Round 3 |
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GCM - Cage Force & Valkyrie Sunday, July 12th 2009 |
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| W |
Emi Fujino #9 Women Strawweight |
Decision (Unanimous) Round 3 |
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GCM - Valkyrie 2 Saturday, April 25th 2009 |
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| L |
Yuka Tsuji #2 Women Strawweight |
Decision (Unanimous) Round 3 |
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GCM - Valkyrie 1 Saturday, November 8th 2008 |
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| L |
Emi Fujino #6 Women Strawweight |
Decision (Split) Round 2 |
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Smackgirl - Starting Over Wednesday, December 26th 2007 |
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| W | Emi Tomimatsu |
Decision (Split) Round 2 |
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Smackgirl - Queens Hottest Summer Thursday, September 6th 2007 |
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| W | Saori Ishioka |
Submission (Kneebar) Round 2 |
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Smackgirl - The Next Cinderella 2007 Secon... Saturday, May 19th 2007 |
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| W | Anna Saito |
Submission (Rear Naked Choke) Round 1 |
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Smackgirl - The Next Cinderella Tournament... Sunday, March 11th 2007 |
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| Opponent | Event | Outcome | |
| L | Sayako Fujita |
Pancrase - 340: 30th Anniversary Tournament 2 Sunday, December 24th 2023 |
Decision (Split) Round 3 |
| L |
Kanna Asakura #7 Women Atomweight |
Rizin FF - Landmark Vol. 5 Saturday, April 29th 2023 |
Decision (Unanimous) Round 3 |
| L |
Jihin Radzuan #69 Women Strawweight |
One Championship - Bad Blood Friday, February 11th 2022 |
Decision (Unanimous) Round 3 |
| L |
Julie Mezabarba #13 Women Atomweight |
One Championship - Empower Friday, September 3rd 2021 |
Decision (Unanimous) Round 3 |
| L |
Denice Zamboanga #70 Women Strawweight |
One Championship - King of the Jungle Friday, February 28th 2020 |
Decision (Unanimous) Round 3 |
| W |
Zenny Huang #112 Women Strawweight |
One Championship - Century - Part 2 Sunday, October 13th 2019 |
Decision (Unanimous) Round 3 |
| W | Laura Balin |
One Championship - Enter the Dragon Friday, May 17th 2019 |
Submission (Armbar) Round 1 |
| W |
Kseniya Lachkova #38 Women Strawweight |
One Championship - A New Era Sunday, March 31st 2019 |
Submission (Armbar) Round 3 |
| W |
Jomary Torres #119 Women Strawweight |
One Championship - Destiny of Champions Friday, December 7th 2018 |
Decision (Unanimous) Round 3 |
| L |
Angela Lee #18 Women Strawweight |
One Championship - Unstoppable Dreams Friday, May 18th 2018 |
Decision (Unanimous) Round 5 |
| W |
Gina Iniong #110 Women Strawweight |
One Championship - Immortal Pursuit Friday, November 24th 2017 |
Decision (Unanimous) Round 3 |
| W |
Zenny Huang #62 Women Strawweight |
One Championship - Light of a Nation Friday, June 30th 2017 |
Submission (Rear Naked Choke) Round 2 |
| L |
Istela Nunes #52 Women Strawweight |
One Championship 45 - Heroes of the World Saturday, August 13th 2016 |
Decision (Split) Round 3 |
| L |
Angela Lee #19 Women Flyweight |
One Championship 42 - Ascent to Power Friday, May 6th 2016 |
Decision (Unanimous) Round 5 |
| W |
Mina Kurobe #8 Women Atomweight |
Deep - Jewels 8 Sunday, May 31st 2015 |
Decision (Unanimous) Round 2 |
| W |
Satomi Takano #11 Women Atomweight |
Deep - Jewels 8 Sunday, May 31st 2015 |
TKO (Punches) Round 2 |
| W | Miyoko Kusaka |
Deep - Jewels 7 Saturday, February 21st 2015 |
KO (Knee to the Body) Round 1 |
| L |
Ayaka Hamasaki #1 Women Atomweight |
DEEP DREAM Impact: Omisoka Special Wednesday, December 31st 2014 |
Decision (Unanimous) Round 2 |
| W |
Yukiko Seki #21 Women Atomweight |
Deep - Jewels 4 Sunday, May 18th 2014 |
Technical Submission (Rear Naked Choke) Round 1 |
| L | Gina Iniong |
PXC - Pacific Xtreme Combat 43 Saturday, March 29th 2014 |
Decision (Split) Round 3 |
| L |
Patricia Vidonic #13 Women Strawweight |
PXC - Pacific Xtreme Combat 40 Friday, October 25th 2013 |
Decision (Split) Round 3 |
| W | Seo Ye Jung |
Jewels - 24th Ring Saturday, May 25th 2013 |
Submission (Armbar) Round 1 |
| L |
Megumi Fujii #3 Women Strawweight |
VTJ 2012 - Vale Tudo Japan 2012 Monday, December 24th 2012 |
Decision (Unanimous) Round 2 |
| W |
Emi Tomimatsu #19 Women Strawweight |
Jewels - 20th Ring Saturday, July 21st 2012 |
Decision (Unanimous) Round 2 |
| L |
Katja Kankaanpaa #13 Women Flyweight |
BP 11 - Kankaanpaa vs. Yamaguchi Friday, March 23rd 2012 |
Decision (Unanimous) Round 3 |
| W |
Mika Nagano #13 Women Strawweight |
Jewels - 17th Ring Saturday, December 17th 2011 |
Decision (Split) Round 2 |
| L |
Seo Hee Ham #6 Women Strawweight |
Jewels - 15th Ring Saturday, July 9th 2011 |
Decision (Unanimous) Round 2 |
| W | Akiko Naito |
Pancrase - Impressive Tour 4 Tuesday, May 3rd 2011 |
Submission (Armbar) Round 1 |
| W |
Tomomi Takarada #10 Women Strawweight |
Pancrase - Impressive Tour 3 Sunday, April 3rd 2011 |
Decision (Majority) Round 2 |
| D |
Kyoko Takabayashi #10 Women Strawweight |
GCM - Valkyrie 8 Sunday, November 28th 2010 |
Draw Round 3 |
| W |
Yuka Tsuji #2 Women Strawweight |
GCM - Valkyrie 4 Thursday, February 11th 2010 |
Submission (Rear Naked Choke) Round 1 |
| W |
Kyoko Takabayashi #6 Women Strawweight |
GCM - Cage Force & Valkyrie Sunday, July 12th 2009 |
Decision (Split) Round 3 |
| W |
Emi Fujino #9 Women Strawweight |
GCM - Valkyrie 2 Saturday, April 25th 2009 |
Decision (Unanimous) Round 3 |
| L |
Yuka Tsuji #2 Women Strawweight |
GCM - Valkyrie 1 Saturday, November 8th 2008 |
Decision (Unanimous) Round 3 |
| L |
Emi Fujino #6 Women Strawweight |
Smackgirl - Starting Over Wednesday, December 26th 2007 |
Decision (Split) Round 2 |
| W | Emi Tomimatsu |
Smackgirl - Queens Hottest Summer Thursday, September 6th 2007 |
Decision (Split) Round 2 |
| W | Saori Ishioka |
Smackgirl - The Next Cinderella 2007 Secon... Saturday, May 19th 2007 |
Submission (Kneebar) Round 2 |
| W | Anna Saito |
Smackgirl - The Next Cinderella Tournament... Sunday, March 11th 2007 |
Submission (Rear Naked Choke) Round 1 |
Quarterly Generated Historical Rankings
Rating bar represents the fighter's standing relative to the top of the division at the time
| Date | ↑ ↓ | Rank | Record | Points | ||
| 01/01/2025 | 4 | #42 Women Atomweight | 21-16-1 |
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| 10/01/2024 | 5 | #38 Women Atomweight | 21-16-1 |
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| 07/01/2024 | 5 | #43 Women Atomweight | 21-16-1 |
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| 04/01/2024 | 6 | #38 Women Atomweight | 21-16-1 |
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| 01/01/2024 | 5 | #32 Women Atomweight | 21-16-1 |
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| 10/01/2023 | 2 | #27 Women Atomweight | 21-15-1 |
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| 07/01/2023 | NR | #25 Women Atomweight | 21-15-1 |
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| 04/01/2023 | 12 | #115 Women Strawweight | 21-14-1 |
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| 01/01/2023 | 2 | #103 Women Strawweight | 21-14-1 |
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| 10/01/2022 | 5 | #101 Women Strawweight | 21-14-1 |
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| 07/01/2022 | 7 | #96 Women Strawweight | 21-14-1 |
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| 04/01/2022 | 10 | #89 Women Strawweight | 21-14-1 |
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| 01/01/2022 | #79 Women Strawweight | 21-13-1 |
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| 10/01/2021 | NR | #79 Women Strawweight | 21-13-1 |
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| 04/01/2021 | 2 | #39 Women Strawweight | 21-12-1 |
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| 01/01/2021 | 2 | #37 Women Strawweight | 21-12-1 |
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| 10/01/2020 | #35 Women Strawweight | 21-12-1 |
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| 07/01/2020 | 2 | #35 Women Strawweight | 21-12-1 |
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| 04/01/2020 | 11 | #37 Women Strawweight | 21-12-1 |
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| 01/01/2020 | 1 | #26 Women Strawweight | 21-11-1 |
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| 10/01/2019 | #25 Women Strawweight | 20-11-1 |
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| 07/01/2019 | 3 | #25 Women Strawweight | 20-11-1 |
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| 04/01/2019 | 13 | #22 Women Strawweight | 19-11-1 |
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| 01/01/2019 | 5 | #35 Women Strawweight | 18-11-1 |
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| 10/01/2018 | 2 | #40 Women Strawweight | 17-11-1 |
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| 07/01/2018 | 5 | #38 Women Strawweight | 17-11-1 |
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| 04/01/2018 | 3 | #33 Women Strawweight | 17-10-1 |
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| 01/01/2018 | 6 | #30 Women Strawweight | 17-10-1 |
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| 10/01/2017 | 1 | #36 Women Strawweight | 16-10-1 |
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| 07/01/2017 | 6 | #37 Women Strawweight | 16-10-1 |
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| 04/01/2017 | 5 | #43 Women Strawweight | 15-10-1 |
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| 01/01/2017 | #38 Women Strawweight | 15-10-1 |
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| 10/01/2016 | 4 | #38 Women Strawweight | 15-10-1 |
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| 07/01/2016 | NR | #34 Women Strawweight | 15-9-1 |
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| 04/01/2016 | #3 Women Atomweight | 15-8-1 |
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| 01/01/2016 | #3 Women Atomweight | 15-8-1 |
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| 10/01/2015 | 1 | #3 Women Atomweight | 15-8-1 |
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| 07/01/2015 | 1 | #4 Women Atomweight | 15-8-1 |
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| 04/01/2015 | 4 | #5 Women Atomweight | 13-8-1 |
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| 01/01/2015 | 2 | #9 Women Atomweight | 12-8-1 |
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| 10/01/2014 | #7 Women Atomweight | 12-7-1 |
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| 07/01/2014 | 5 | #7 Women Atomweight | 12-7-1 |
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| 04/01/2014 | NR | #12 Women Atomweight | 11-7-1 |
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| 01/01/2014 | 3 | #18 Women Strawweight | 11-6-1 |
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| 10/01/2013 | 3 | #15 Women Strawweight | 11-5-1 |
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| 07/01/2013 | 4 | #12 Women Strawweight | 11-5-1 |
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| 04/01/2013 | 1 | #8 Women Strawweight | 10-5-1 |
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| 01/01/2013 | #7 Women Strawweight | 10-5-1 |
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| 10/01/2012 | 2 | #7 Women Strawweight | 10-4-1 |
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| 07/01/2012 | #9 Women Strawweight | 9-4-1 |
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| 04/01/2012 | 2 | #9 Women Strawweight | 9-4-1 |
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| 01/01/2012 | #7 Women Strawweight | 9-3-1 |
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| 10/01/2011 | 4 | #7 Women Strawweight | 8-3-1 |
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| 07/01/2011 | #3 Women Strawweight | 8-2-1 |
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| 04/01/2011 | #3 Women Strawweight | 6-2-1 |
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| 01/01/2011 | 1 | #3 Women Strawweight | 6-2-1 |
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| 10/01/2010 | #2 Women Strawweight | 6-2-0 |
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| 07/01/2010 | #2 Women Strawweight | 6-2-0 |
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| 04/01/2010 | 5 | #2 Women Strawweight | 6-2-0 |
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| 01/01/2010 | 1 | #7 Women Strawweight | 5-2-0 |
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| 10/01/2009 | 4 | #6 Women Strawweight | 5-2-0 |
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| 07/01/2009 | 3 | #10 Women Strawweight | 4-2-0 |
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| 04/01/2009 | 2 | #13 Women Strawweight | 3-2-0 |
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| 01/01/2009 | 2 | #11 Women Strawweight | 3-2-0 |
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| 10/01/2008 | 2 | #9 Women Strawweight | 3-1-0 |
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| 07/01/2008 | 3 | #11 Women Strawweight | 3-1-0 |
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| 04/01/2008 | 2 | #14 Women Strawweight | 3-1-0 |
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| 01/01/2008 | NR | #12 Women Strawweight | 3-1-0 |
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