Early career Newson started out his career in 2015, fighting for a variety of regional West Coast organizations, such as Cage Sport and
King of the Cage. During this time, he compiled a 9–1 record, capturing the Cage Sport and Prime Fighting Bantamweight titles.
Ultimate Fighting Championship Newson made his UFC debut as a late replacement for
Sergio Pettis against
Ricardo Ramos on June 29, 2019 at
UFC on ESPN 3. He lost the fight via unanimous decision. Newson next faced
Domingo Pilarte at
UFC 247 on February 8, 2020. He won the fight by TKO within the first minute of the fight. However, on March 25, it was announced by the Texas Department of Licensing and Regulation (TDLR) that Newson had tested positive for
marijuana during in-competition drug tests. His victory was overturned to a no contest and he was suspended for 30 days. Newson was initially scheduled to face
Randy Costa on September 26, 2020 at
UFC Fight Night: Covington vs. Woodley. However, the event was shifted to take place on September 19, 2020, as
UFC 253 was later scheduled for the original date. He lost the fight via knockout in round one. Newson was scheduled to face
Felipe Colares on May 1, 2021 at
UFC on ESPN 23. However, Newson withdrew from the bout and was replaced by
Luke Sanders. Newson faced promotional newcomer Fernie Garcia on May 7, 2022 at
UFC 274. He won the fight via unanimous decision. Newson faced
Sergey Morozov on December 17, 2022 at
UFC Fight Night 216. He lost the fight via unanimous decision. Newson was scheduled to face
Brian Kelleher on April 29, 2023 at
UFC on ESPN: Song vs. Simón. However, Kelleher pulled out of the bout and was replaced by
Marcus McGhee. He lost the fight via rear-naked choke in round two. On June 8, it was announced that Newson was not extended a new contract and no longer on the UFC roster. ==Championships and accomplishments==