[3] Eventually, the brothers entered a grappling tournament, where both would finish second, despite having minimal formal training.
After high school, Kyle weighed approximately 260 pounds, and his MMA coach suggested that he needed to take heavyweight bouts.
[3] Making his MMA debut at AFL 53, he faced Dino Juklo, submitting him via rear-naked choke in the first round.
[4] In the co-main event of CFFC 78, Daukaus submitted Stephen Regman in the second round via brabo choke.
[13] As the first bout of his new four-fight contract, Daukaus faced Kevin Holland on October 2, 2021, at UFC Fight Night 193.
However, referee Dan Miragliotta reviewed the footage via replay and it was deemed the head clash led to the sequence of events resulting in Daukaus' win.
[20] Daukaus was scheduled to face Julian Marquez on February 19, 2022, at UFC Fight Night 201.
[29][30] In his first bout after leaving the UFC, Daukaus faced Robert Gidron on June 16, 2023, at CFFC 120, defeating him via rear-naked choke at the end of the first round.
[31] On September 2, 2023, Daukaus won the CFFC Middleweight championship for the second time after defeating Gregg Ellis by unanimous decision.
[33] Daukaus defended his title against Keanan Patershuk on June 14, 2024 at CFFC 132 by knockout in the first round.