22
91%
Finish Rate
17
KO / TKO
3
Submissions
2013
Pro Debut
Biography
Walker Johnny Silva Barra de Souza, known as Johnny Walker, is a Brazilian professional mixed martial artist. He currently competes in the Light Heavyweight division of the Ultimate Fighting Championship (UFC). A professional since 2013, Walker gained entrance into the UFC by competing on Dana White's Contender Series and also previously competed for Jungle Fight in his native Brazil. As of June 20, 2026, he is #14 in the Meta UFC light heavyweight rankings.
UFC Stats
Official · ufc.comStriking accuracy55%
Takedown accuracy50%
3.9
/ min
Sig. strikes landed
2.99
/ min
Sig. strikes absorbed
0.36
/ 15 min
Takedowns
0.73
avg
Submissions
0.61
avg
Knockdowns
Reach 208 cmUFC debut Nov. 17, 2018Born Belford Roxo, BrazilTeam SBG Ireland
How He Wins
KO / TKO17
Decision2
Submission3
Finish Rate
91%
20 of 22
wins by finish
wins by finish
Recent Form
L
L
W
W
W
L
L
L
W
L
Mixed Martial Arts33 Bouts
| Result | Opponent | Method | Rd | Event | Date |
|---|---|---|---|---|---|
| Loss |  Dominick ReyesH2H | Decision (split) | R3 | UFC 327 | Apr 11, 2026 |
| Win | Zhang Mingyang | TKO (leg kicks and punches) | R2 | UFC Fight Night: Walker vs. Zhang | Aug 23, 2025 |
| Loss |  Volkan OezdemirH2H | KO (punch) | R1 | UFC on ABC: Whittaker vs. Aliskerov | Jun 22, 2024 |
| Loss |  Magomed AnkalaevH2H | KO (punches) | R2 | UFC Fight Night: Ankalaev vs. Walker 2 | Jan 13, 2024 |
| NC | Magomed AnkalaevH2H | NC (illegal knee) | R1 | UFC 294 | Oct 21, 2023 |
| Win | Anthony SmithH2H | Decision (unanimous) | R3 | UFC on ABC: Rozenstruik vs. Almeida | May 13, 2023 |
| Win |  Paul CraigH2H | TKO (punches) | R1 | UFC 283 | Jan 21, 2023 |
| Win |  Ion CuțelabaH2H | Submission (rear-naked choke) | R1 | UFC 279 | Sep 10, 2022 |
| Loss | Jamahal HillH2H | KO (punch) | R1 | UFC Fight Night: Walker vs. Hill | Feb 19, 2022 |
| Loss |  Thiago SantosH2H | Decision (unanimous) | R5 | UFC Fight Night: Santos vs. Walker | Oct 2, 2021 |
| Win | Ryan SpannH2H | KO (elbows and punches) | R1 | UFC Fight Night: Covington vs. Woodley | Sep 19, 2020 |
| Loss |  Nikita KrylovH2H | Decision (unanimous) | R3 | UFC Fight Night: Lee vs. Oliveira | Mar 14, 2020 |
| Loss | Corey AndersonH2H | TKO (punches) | R1 | UFC 244 | Nov 2, 2019 |
| Win |  Misha CirkunovH2H | TKO (flying knee and punches) | R1 | UFC 235 | Mar 2, 2019 |
| Win | Justin LedetH2H | TKO (spinning backfist and punches) | R1 | UFC Fight Night: Assunção vs. Moraes 2 | Feb 2, 2019 |
| Win | Khalil Rountree Jr. | KO (elbow) | R1 | UFC Fight Night: Magny vs. Ponzinibbio | Nov 17, 2018 |
| Win | Henrique da SilvaH2H | Decision (unanimous) | R3 | Dana White's Contender Series Brazil 2 | Aug 11, 2018 |
| Win |  Cheick KoneH2H | TKO (punches) | R1 | European Beatdown 3 | Mar 17, 2018 |
| Win |  Jędrzej MaćkowiakH2H | KO (knee and punches) | R2 | Krwawy Sport 1 | Mar 11, 2018 |
| Win |  Stuart AustinH2H | KO (knee) | R1 | Ultimate Challenge MMA 54 | Feb 10, 2018 |
| Win | Rodrigo JesusH2H | TKO (punches) | R1 | Brave CF 8 | Aug 12, 2017 |
| Win | Luis Guilherme de AndradeH2H | Submission (guillotine choke) | R1 | Katana Fight: Gold Edition | Mar 25, 2017 |
| Loss | Henrique Silva LopesH2H | KO (punches) | R1 | Jungle Fight 88 | Jun 25, 2016 |
| Win | Fábio Vasconcelos | TKO (punches) | R1 | Imortal FC 4 | May 21, 2016 |
| Loss | Klidson AbreuH2H | Submission (rear-naked choke) | R2 | Samurai FC 12 | Oct 10, 2015 |
| Win | Murilo GrittzH2H | TKO (punches) | R1 | PRVT: Garuva Top Fight | Aug 16, 2015 |
| Win | Marck PolimenoH2H | Submission (rear-naked choke) | R1 | PRVT: Afonso Pena Top Fight 3 | Jun 28, 2015 |
| Win | Ricardo PandoraH2H | TKO (punches) | R1 | Imortal FC 1 | Jun 13, 2015 |
| Win | Andrew Flores SmithH2H | TKO (punches) | R3 | Peru FC 21 | May 28, 2015 |
| Loss | Wagner PradoH2H | TKO (punches) | R2 | Circuito Team Nogueira MMA Beach 1 | Nov 29, 2014 |
| Win | João Vitor Lopes da SilvaH2H | TKO (punches) | R1 | Gigante Fight MMA 2 | Oct 11, 2014 |
| Win | Vitor CasanovaH2H | TKO (punches) | R1 | Ubá Fight 5 | Sep 13, 2014 |
| Win | Francisco FranciscoH2H | TKO (knees and punches) | R1 | Circuito Invictus de MMA 2 | Dec 14, 2013 |
Related Fighters
Dominick Reyes16-5-0 · LHW
Mingyang Zhang19-7-0 · LHW
Volkan Oezdemir21-8-0 · LHW
Magomed Ankalaev20-2-1 · LHW
Anthony Smith39-22-0 · HW
Paul Craig17-10-1 · LHW
Ion Cutelaba20-11-1 · LHW
Jamahal Hill12-4-0 · LHW
Thiago Santos23-13-0 · HW
Ryan Spann24-11-0 · HW
Nikita Krylov31-11-0 · LHW
Corey Anderson20-6-0 · LHWData sourced from public records for archival/research purposes.