A professional since 2015, Holland has also competed for Bellator MMA, King of the Cage and Legacy Fighting Alliance.
Even with the win, Holland was not offered a contract on the show but he was brought in to face Thiago Santos at UFC 227.
[20] Holland was expected to face promotional newcomer Antônio Arroyo on November 16, 2019, at UFC Fight Night: Błachowicz vs.
[21] However, in late September, promotion officials elected to remove Holland from the bout in favor of a matchup against Brendan Allen on October 18, 2019, at UFC on ESPN 6.
[23] Holland was expected to face Jack Marshman on March 21, 2020, at UFC Fight Night: Woodley vs.
[28] However, On May 26, Holland was forced to withdraw from his scheduled bout with Rodriguez due to an injury[29] and was replaced by promotional newcomer Gabriel Green.
[30] Holland was expected to face Trevin Giles on August 1, 2020, at UFC Fight Night: Brunson vs.
[32] Holland faced promotional newcomer Joaquin Buckley on August 8, 2020, at UFC Fight Night 174.
[37] Holland was scheduled to face Makhmud Muradov, replacing injured Krzysztof Jotko, on October 31, 2020, at UFC Fight Night 181.
[38] In turn, Muradov was removed from the fight due to testing positive for COVID-19 and was replaced by promotional newcomer Charlie Ontiveros.
[39] Holland won the fight in the first round when Ontiveros verbally submitted after suffering a neck injury due to a slam.
[41] Holland was scheduled to face Jack Hermansson at UFC on ESPN 19 on December 5, replacing an injured Darren Till.
[49] Holland faced Marvin Vettori, replacing an injured Darren Till, on April 10, 2021, at UFC on ABC 2.
[51] Though he managed to hurt Vettori with punches a few times, Holland was dominated on the ground for the majority of the fight and lost by unanimous decision.
[52] Subsequently – with one fight left on his prevailing contract – Holland signed a new, multi-fight deal with the UFC.
[54] Early in the bout a clash of heads occurred, resulting in Holland briefly being knocked unconscious.
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.
[57] Holland returned to the Welterweight division for the first time since October 2017 to face Alex Oliveira on March 5, 2022, at UFC 272.
[83][84] Holland lost the fight by technical knockout due to a corner stoppage as a result of a rib injury at the end of the first round.
[85] Holland faced former ONE Middleweight and Light Heavyweight Champion Reinier de Ridder on January 18, 2025, at UFC 311.
Holland had watched the driver speed up and lose control while joining the freeway, sliding off the embankment and flipping over.