Demetrious_Johnson hero 1200x1165 Champion 600x583

Flyweight World Champion

Flyweight World Grand Prix Champion

Flyweight World Champion

ONE Flyweight World Grand Prix Champion

12x UFC World Champion

Demetrious “Mighty Mouse” Johnson

Weight Limit
61.1 kg
Height
160 cm / 5'2" ft
Country
United States
Age
36 Y
Team
AMC Pankration / Evolve MMA

About Demetrious Johnson

Thirteen-time Flyweight World Champion Demetrious “Mighty Mouse” Johnson is widely considered one of the greatest pound-for-pound mixed martial artists of all time. In 2018, after completely dominating the highly competitive North American scene with a record-setting run of 11 World Title defenses, Johnson decided to make ONE Championship his new home as part of a landmark deal.

Johnson’s meteoric rise to greatness was borne of sheer determination and hard work. He grew up in incredibly adverse circumstances, being raised by his hearing-impaired mother and an abusive stepfather. However, he never let his circumstances get the better of him. Johnson became a successful athlete in high school, competing in several sports on the way to a second-place finish at the Washington State Wrestling Championships.

This success on the mats led him to try his hand at mixed martial arts in 2007, and it resulted in one of the most incredible careers ever seen in the sport. Though he enjoyed great returns at bantamweight, a move to flyweight in 2012 saw Johnson really come into his own. He tore through several tough contenders on the way to capturing the UFC Flyweight World Championship, defending it an amazing 11 times to etch his name into history.

“Mighty Mouse” etched his name once more by defeating three of the top flyweights in Asia — including Yuya Wakamatsu, Tatsumitsu Wada, and Danny Kingad — to claim the ONE Flyweight World Grand Prix Championship in October 2019.

Along with the prestigious silver Grand Prix belt, Johnson was awarded a shot at longtime ONE Flyweight World Champion Adriano Moraes. The bout happened at ONE on TNT I in April 2021, but to the shock of fans around the globe, the American was finished for the first time in his 15-year professional MMA career, as the defending titleholder knocked him out with a knee.

That setback, however, set up the ultimate comeback. In March 2022, Johnson defeated Thai megastar Rodtang Jitmuangnon in a historic special rules super-fight, and five months later, he earned his redemption against Moraes. At ONE on Prime Video 1, he became the first person to finish the Brazilian – coincidentally, with a knee – to capture the ONE Flyweight World Title, become an unprecedented 13-time MMA World Champion, and cement his status as the GOAT.

ONE Championship Records

Event Results

Result Method Round Method and round Opponent Opponent and event Country Date Event
WIN
Knockout KO
R4 (3:50)
Knockout
R4 (3:50)
R4 (3:50) Adriano_Moraes avatar 500x345 1
Adriano Moraes
Brazil
Brazil Aug 27, 2022
ONE on Prime Video 1: Moraes vs. Johnson II
Aug 27, 2022
WIN
Submission SUB
R2 (2:13)
Submission
R2 (2:13)
R2 (2:13) Rodtang_Jitmuangnon avatar 500x345 3
Rodtang Jitmuangnon
Thailand
ONE X
Mar 26, 2022
Thailand Mar 26, 2022
ONE X
Mar 26, 2022
LOSS
Knockout KO
R2 (2:24)
Knockout
R2 (2:24)
R2 (2:24) Adriano_Moraes avatar 500x345 1
Adriano Moraes
Brazil
ONE on TNT I
Apr 8, 2021
Brazil Apr 8, 2021
ONE on TNT I
Apr 8, 2021
WIN
Unanimous Decision UD
R3 (5:00)
Unanimous Decision
R3 (5:00)
R3 (5:00) Danny_Kingad avatar 500x345 3
Danny Kingad
Philippines
CENTURY PART I
Oct 13, 2019
Philippines Oct 13, 2019
CENTURY PART I
Oct 13, 2019
WIN
Unanimous Decision UD
R3 (5:00)
Unanimous Decision
R3 (5:00)
R3 (5:00) Tatsumitsu_Wada avatar 500x345 1
Tatsumitsu Wada
Japan
Dawn Of Heroes
Aug 2, 2019
Japan Aug 2, 2019
Dawn Of Heroes
Aug 2, 2019
WIN
Submission SUB
R2 (2:40)
Submission
R2 (2:40)
R2 (2:40) Yuya_Wakamatsu avatar 500x345
Yuya Wakamatsu
Japan
A New Era
Mar 31, 2019
Japan Mar 31, 2019
A New Era
Mar 31, 2019

Breakdown

Wins - 5
Losses - 1
1
Knockout KO
1
2
Submission SUB
0
2
Unanimous Decision UD
0

Finish Rate

Finishes
3
Finish Rate
60%
Wins
5
Total Bouts
6

Bout Duration

Avg. Bout Duration
09m : 51s
Total Duration
0h : 59m : 07s

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