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Rony Jason Losses

Rony Jason has 12 losses against 12 opponents on his MMA record. For a list of Jason's best fights, refer to "Best fights of Rony Jason".

1. 12. Rony Jason loses to Paweł Polityło via KO

   On May 24, 2025 Rony Jason faced off against Paweł Polityło in a featherweight bout at age 41. He was coming in with a record of 18-12 (16). Jason lost the fight via 3rd-round TKO.

2. 11. Rony Jason loses to Jordan Barton via unanimous decision

   On September 7, 2024 Rony Jason faced off against Jordan Barton in a featherweight bout at age 40. He was coming in with a record of 18-11 (16). Jason lost the fight via 5-round unanimous decision.

3. 10. Rony Jason loses to Daniel Bažant via unanimous decision

   On March 26, 2022 Rony Jason faced off against Daniel Bažant in a featherweight bout at age 38. He was coming in with a record of 15-10 (13). Jason lost the fight via 5-round unanimous decision.

4. 9. Rony Jason loses to Alexander Grozin via unanimous decision

   On November 16, 2019 Rony Jason faced off against Alexander Grozin in a featherweight bout at age 35. He was coming in with a record of 15-9 (13). Jason lost the fight via 3-round unanimous decision.

5. 8. Rony Jason loses to Diego Lopes via unanimous decision

   On March 15, 2019 Rony Jason faced off against Diego Lopes in a featherweight bout at age 34. He was coming in with a record of 14-8 (12), and Lopes was 24 years old and with a record of 15-3 (15). Jason lost the fight via 3-round unanimous decision.

6. 7. Rony Jason loses to Jeremy Kennedy via unanimous decision

   On March 11, 2017 Rony Jason faced off against Jeremy Kennedy in a featherweight bout at age 32. He was coming in with a record of 14-7 (12), and Kennedy was 24 years old and with a record of 9-0 (5). Jason lost the fight via 3-round unanimous decision.

7. 6. Rony Jason loses to Dennis Bermudez via unanimous decision

   On August 6, 2016 Rony Jason faced off against Dennis Bermudez in a featherweight bout at age 32. He was coming in with a record of 14-6 (12), and Bermudez was 29 years old and with a record of 15-5 (7). Jason lost the fight via 3-round unanimous decision.

8. 5. Rony Jason loses to Robbie Peralta via split decision

   On May 31, 2014 Rony Jason faced off against Robbie Peralta in a featherweight bout at age 30. He was coming in with a record of 14-5 (12), and Peralta was 28 years old and with a record of 17-4 (15). Jason lost the fight via 3-round split decision.

9. 4. Rony Jason loses to Jeremy Stephens via KO

   On November 9, 2013 Rony Jason faced off against Jeremy Stephens in a featherweight bout at age 29. He was coming in with a record of 13-4 (11), and Stephens was 27 years old and with a record of 21-9 (17). Jason lost the fight via 1st-round KO.

10. 3. Rony Jason loses to Genair da Silva via KO

    On December 5, 2009 Rony Jason faced off against Genair da Silva at age 25. He was coming in with a record of 5-3 (5), and Silva was 25 years old and with a record of 5-3 (3). Jason lost the fight via 2nd-round TKO.

11. 2. Rony Jason loses to João Paulo Rodrigues via KO

    On August 13, 2009 Rony Jason faced off against João Paulo Rodrigues at age 25. He was coming in with a record of 3-2 (3). Jason lost the fight via 2nd-round submission.

12. 1. Rony Jason loses to Renan Barão via split decision

    On November 9, 2006 Rony Jason faced off against Renan Barão at age 22. He was coming in with a record of 2-1 (2), and Barão was 19 years old and with a record of 5-1 (5). Jason lost the fight via 3-round split decision.