Here is a list of Hermansson's best fights. For a list of Hermansson's losses, refer to "Jack Hermansson Losses".
On December 15, 2018 Jack Hermansson faced off against Gerald Meerschaert in a middleweight bout at age 30. He was coming in with a record of 18-4 (15), and Meerschaert was 30 years old and with a record of 29-9 (26). Hermansson stopped Gerald Meerschaert via submission.
On August 5, 2017 Jack Hermansson faced off against Brad Scott in a middleweight bout at age 29. He was coming in with a record of 16-3 (13), and Scott was 28 years old and with a record of 11-4 (10). Hermansson stopped Brad Scott via TKO.
On March 30, 2019 Jack Hermansson faced off against David Branch in a middleweight bout at age 30. He was coming in with a record of 19-4 (16), and Branch was 37 years old and with a record of 22-5 (12). Hermansson stopped David Branch via submission.
On May 28, 2017 Jack Hermansson faced off against Alex Nicholson in a middleweight bout at age 28. He was coming in with a record of 15-3 (12). Hermansson stopped Alex Nicholson via TKO.
On July 19, 2020 Jack Hermansson faced off against Kelvin Gastelum in a middleweight bout at age 32. He was coming in with a record of 21-5 (17), and Gastelum was 28 years old and with a record of 16-5 (11). Hermansson stopped Kelvin Gastelum via submission.
On May 12, 2018 Jack Hermansson faced off against Thales Leites in a middleweight bout at age 29. He was coming in with a record of 17-4 (14), and Leites was 36 years old and with a record of 27-8 (17). Hermansson stopped Thales Leites via TKO.
On May 22, 2021 Jack Hermansson faced off against Edmen Shahbazyan in a middleweight bout at age 32. He was coming in with a record of 22-6 (17), and Shahbazyan was 23 years old and with a record of 11-1 (10). Hermansson won the fight via 3-round unanimous decision.
On June 7, 2014 Jack Hermansson fought Norman Paraisy in a middleweight title fight for the Cage Warriors Championship title. Hermansson was 25 years old and with a record of 8-2 (7), and Paraisy was 28 years old and with a record of 14-3-2 (8). Hermansson stopped Norman Paraisy via 4th-round submission and is crowned the new CW middleweight champion.
On September 3, 2016 Jack Hermansson faced off against Scott Askham in a middleweight bout at age 28. He was coming in with a record of 14-2 (11), and Askham was 28 years old and with a record of 14-2 (11). Hermansson won the fight via 3-round unanimous decision.
On July 23, 2022 Jack Hermansson faced off against Chris Curtis in a middleweight bout at age 34. He was coming in with a record of 23-7 (17), and Curtis was 35 years old and with a record of 29-8 (17). Hermansson won the fight via 3-round unanimous decision.