Ultimate Fighting Calendar
Fighter

Seigo Mizuguchi

"Mr. Megaton"
17-26-0JapanJapanLast 5
Amateur MMA 1-0
NEXT FIGHT

No upcoming fight scheduled.

CAREER SUMMARY

Seigo Mizuguchi holds a professional MMA record of 17-26-0. Seigo Mizuguchi has won 17 fights: 8 by KO/TKO, 8 by submission, 1 by decision. Of 26 career losses, 17 came by KO/TKO and 0 by submission. Seigo Mizuguchi also has 1 recorded valetudo bout.

Profile

Height
5'10"178 cm
DOB
1975-10-28
Age
50
Nationality
Japan
Birthplace
Toyama, Japan

Career history

  1. LOSS
    vs Naito
    DEEP 131 Impact· May 4, 2026· Super Heavyweight· 17-26 vs 1-0
    TKO
    R1 · 0:36
  2. WIN
    vs Buffalo
    DEEP 128 Impact· Nov 2, 2025· Super Heavyweight· 17-25 vs 0-1
    SUB
    R1 · 1:23
  3. WIN
    vs Chota Sakai
    DEEP 120 Impact· Jul 14, 2024· Super Heavyweight· 16-25 vs 0-2
    SUB
    R1 · 2:45
  4. LOSS
    vs Hirokazu Yokoyama
    DEEP 116 Impact· Nov 11, 2023· Super Heavyweight· 15-25 vs 5-4
    SD
  5. LOSS
    vs Hidenori Ebata
    DEEP 113 Impact· May 7, 2023· Super Heavyweight· 15-24 vs 1-0
    TKO
    R1 · 2:28
  6. WIN
    vs Kirihito Ando
    DEEP 111 Impact· Dec 11, 2022· Super Heavyweight· 15-23 vs 0-2
    TKO
    R2 · 4:46
  7. WIN
    vs Thomas
    DEEP 109 Impact· Aug 21, 2022· Super Heavyweight· 14-23 vs 0-2
    SUB
    R1 · 3:53
  8. LOSS
    vs Masashi Inada
    DEEP 107 Impact· May 8, 2022· Super Heavyweight· 13-23 vs 1-0
    TKO
    R1 · 4:58
  9. LOSS
    vs Tatsuya Mizuno
    DEEP 105 Impact· Dec 12, 2021· Super Heavyweight· 13-22 vs 23-14-1
    TKO
    R1 · 1:15
  10. LOSS
    vs Lawdlain Saint-Ilme
    DEEP 103 Impact· Sep 23, 2021· Super Heavyweight· 13-21 vs 2-0
    UD
  11. LOSS
    vs Hidetaka Arato
    Grachan 47×Brave Fight 23· Apr 24, 2021· Super Heavyweight· 13-20 vs 3-0
    UD
  12. LOSS
    vs Hideki Sekine
    DEEP 100 IMPACT· Feb 21, 2021· Super Heavyweight· 13-19 vs 8-5
    TKO
    R1 · 0:16
  13. LOSS
    vs Roque Martinez
    DEEP 93 Impact· Dec 15, 2019· 13-18 vs 14-5-2
    TKO
    R2 · 2:09
  14. LOSS
    vs Ryo Sakai
    DEEP 86 Impact· Oct 27, 2018· 13-17 vs 8-7
    UD
  15. LOSS
    vs Kazuhiro Nakamura
    DEEP Cage Impact 2014· Jul 21, 2014· 13-16 vs 21-12
    TKO
    R2 · 3:25
  16. WIN
    vs Ryo Sakai
    DEEP 65 Impact· Mar 22, 2014· 13-15 vs 2-2
    TKO
    R1 · 2:31
  17. WIN
    vs Jong Wang Kim
    DEEP Cage Impact 2013· Nov 24, 2013· 12-15 vs 13-23
    TKO
    R1 · 1:31
  18. LOSS
    vs Jong Wang Kim
    DEEP Cage Impact 2013· Jun 15, 2013· 11-15 vs 13-22
    TKO
    R1 · 0:37
  19. LOSS
    vs Ken Hasegawa
    DEEP 61 Impact· Feb 16, 2013· 11-14 vs 8-0
    UD
  20. LOSS
    vs Hirohide Fujinuma
    DEEP Cage Impact 2012· Dec 8, 2012· Heavyweight· 11-13 vs 12-4-2
    TKO
    R2 · 4:15
  21. LOSS
    vs Jae Woong Yoon
    DEEP Osaka Impact 2012· Sep 29, 2012· Heavyweight· 11-12 vs 1-0
    UD
  22. WIN
    vs Atsushi Yamada
    DEEP 59 Impact· Aug 18, 2012· 11-11 vs 1-2
    UD
  23. WIN
    vs Jong Wang Kim
    Club DEEP: Barbarian Festival 10· Jun 24, 2012· 10-11 vs 11-22
    SUB
    R1 · 0:46
  24. LOSS
    vs Hirohide Fujinuma
    DEEP 57 Impact· Feb 18, 2012· 9-11 vs 11-4-2
    TKO
    R1 · 1:20
  25. WIN
    vs Chang Hee Kim
    Deep 56 Impact· Dec 16, 2011· 9-10 vs 0-3
    TKO
    R1 · 1:38
  26. LOSS
    vs Ken Hasegawa
    DEEP· Oct 29, 2011· 8-10 vs 5-0
    DEC
  27. LOSS
    vs Levan Razmadze
    Deep 54 Impact· Jun 24, 2011· 8-9 vs 3-0
    TKO
    R1 · 3:21
  28. WIN
    vs Mamoru Nakamura
    Deep 53 Impact· Apr 21, 2011· 8-8 vs 1-6
    TKO
    R1 · 0:53
  29. LOSS
    vs Hideki Sekine
    Deep 51 Impact· Dec 11, 2010· 7-8 vs 3-0
    TKO
    R2 · 2:38
  30. LOSS
    vs Kazuhisa Tazawa
    Deep 48 Impact· Jul 3, 2010· 7-7 vs 6-1-1
    TKO
    R1 · 0:49
  31. LOSS
    vs Baru Harn
    Astra: Yoshida's Farewell· Apr 25, 2010· Heavyweight· 7-6 vs 1-1
    UD
  32. WIN
    vs Ryota Kitamura
    Deep 45 Impact· Jan 24, 2010· 7-5 vs 0-1
    SUB
    R1 · 2:08
  33. LOSS
    vs Yusuke Kawaguchi
    Deep 44 Impact· Oct 10, 2009· 6-5 vs 10-1
    TKO
    R3 · 1:27
  34. WIN
    vs TBA
    DEEP· Jun 28, 2009· 6-4
    SUB
  35. WIN
    vs Katsumi Yamada
    Deep 41 Impact· Apr 16, 2009· 5-4 vs 2-3-1
    SUB
    R1 · 0:19
  36. WIN
    vs Ken Orihashi
    Deep: Protect Impact 2008· Dec 22, 2008· Heavyweight· 4-4 vs 8-7-4
    TKO
    R1 · 3:13
  37. LOSS
    vs Shunji Kosaka
    Deep 38 Impact· Oct 23, 2008· 3-4 vs 3-1
    TKO
    R1 · 3:30
  38. WIN
    vs Nobuyoshi Takahara
    Deep 36 Impact· Jul 27, 2008· 3-3 vs 1-2
    SUB
    R1 · 1:41
  39. LOSS
    vs Yusuke Kawaguchi
    Deep 32 Impact· Oct 10, 2007· 2-3 vs 3-0
    TKO
    R1 · 2:07
  40. LOSS
    vs Yusuke Sakashita
    Deep 30 Impact· Jul 8, 2007· 2-2 vs 3-1
    UD
  41. LOSS
    vs Minoru Kato
    Deep 27 Impact· Dec 20, 2006· 2-1 vs 1-3
    TKO
    R1 · 2:00
  42. WIN
    vs Takanori Kuno
    Deep 26 Impact· Oct 10, 2006· 2-0 vs 0-2
    TKO
    R1 · 0:57
  43. WIN
    vs Soichi Nishida
    DEEP· Jun 18, 2006· 1-0 vs 3-8-1
    TKO

Career history data via Tapology.

UFCalendar Power Index rating

Current
1480▲12
Peak
1570Oct 10, 2006
Rated fights
43
14501500155020072011201520192023Jun 18, 2006 · 1531Oct 10, 2006 · 1570Dec 20, 2006 · 1502Jul 8, 2007 · 1472Oct 10, 2007 · 1436Jul 27, 2008 · 1495Oct 23, 2008 · 1469Dec 22, 2008 · 1501Apr 16, 2009 · 1530Oct 10, 2009 · 1514Jan 24, 2010 · 1542Apr 25, 2010 · 1523Jul 3, 2010 · 1504Dec 11, 2010 · 1478Apr 21, 2011 · 1502Jun 24, 2011 · 1479Oct 29, 2011 · 1464Dec 16, 2011 · 1490Feb 18, 2012 · 1481Jun 24, 2012 · 1492Aug 18, 2012 · 1502Sep 29, 2012 · 1493Dec 8, 2012 · 1484Feb 16, 2013 · 1480Jun 15, 2013 · 1466Nov 24, 2013 · 1481Mar 22, 2014 · 1497Jul 21, 2014 · 1491Oct 27, 2018 · 1487Dec 15, 2019 · 1479Feb 21, 2021 · 1467Apr 24, 2021 · 1461Sep 23, 2021 · 1454Dec 12, 2021 · 1448May 8, 2022 · 1437Aug 21, 2022 · 1451Dec 11, 2022 · 1465May 7, 2023 · 1453Nov 11, 2023 · 1449Jul 14, 2024 · 1462Nov 2, 2025 · 1480May 4, 2026 · 1468Sep 14, 2026 · 14801480

See the full Power Index →

Frequently asked questions

When does Seigo Mizuguchi fight next?

Seigo Mizuguchi has no confirmed upcoming fight.

What is Seigo Mizuguchi's record?

Seigo Mizuguchi's professional MMA record is 17-26-0.

Who is Seigo Mizuguchi fighting next?

Seigo Mizuguchi's next opponent has not been announced.

How many knockouts does Seigo Mizuguchi have?

Seigo Mizuguchi has 8 wins by KO/TKO and 8 wins by submission.

How tall is Seigo Mizuguchi?

Seigo Mizuguchi is 5'10" (178 cm) tall.

How old is Seigo Mizuguchi?

Seigo Mizuguchi is 50 years old (born Oct 28, 1975).

Where is Seigo Mizuguchi from?

Seigo Mizuguchi is from Japan.