Sergio Pettis has seven losses against seven opponents on his MMA record. For a list of Pettis's best fights, refer to "Best fights of Sergio Pettis".
On June 9, 2024 Sergio Pettis faced off against Kyoji Horiguchi in a bantamweight bout at age 30. He was coming in with a record of 23-7 (7), and Horiguchi was 33 years old and with a record of 32-5 (19). Pettis lost the fight via 3-round unanimous decision.
On November 17, 2023 Sergio Pettis met Patchy Mix in a bantamweight (Bellator World Championship) title defense fight. Pettis was 30 years old and with a record of 23-6 (7), and Mix was 30 years old and with a record of 18-1 (13). Pettis lost the fight via 2nd-round submission and lost the title.
On December 15, 2018 Sergio Pettis faced off against Rob Font in a bantamweight bout at age 25. He was coming in with a record of 17-5 (6), and Font was 31 years old and with a record of 15-4 (11). Pettis lost the fight via 3-round unanimous decision.
On October 6, 2018 Sergio Pettis faced off against Jussier Formiga in a flyweight bout at age 25. He was coming in with a record of 17-4 (6), and Formiga was 33 years old and with a record of 21-5 (9). Pettis lost the fight via 3-round unanimous decision.
On December 2, 2017 Sergio Pettis faced off against Henry Cejudo in a flyweight bout at age 24. He was coming in with a record of 16-3 (6), and Cejudo was 30 years old and with a record of 11-2 (5). Pettis lost the fight via 3-round unanimous decision.
On March 14, 2015 Sergio Pettis faced off against Ryan Benoit in a flyweight bout at age 21. He was coming in with a record of 12-2 (6), and Benoit was 25 years old and with a record of 7-3 (7). Pettis lost the fight via 2nd-round TKO.
On January 25, 2014 Sergio Pettis faced off against Alex Caceres in a bantamweight bout at age 20. He was coming in with a record of 10-1 (6), and Caceres was 25 years old and with a record of 9-5 (6). Pettis lost the fight via 3rd-round submission.