• UFC Fight Night(10/18/25) Allen defeated Reinier de Ridder via TKO (corner stoppage) at 5:00 of the fourth round
• UFC 318(7/19/25) Allen won a three round unanimous decision over Marvin Vettori
• UFC Fight Night(2/22/25) Allen lost a three round unanimous decision to Anthony Hernandez
• UFC Fight Night(9/28/24) Allen lost a three round unanimous decision to Nassourdine Imavov
• UFC Fight Night(4/6/24) Allen won a five round split decision over Chris Curtis
• UFC Fight Night(11/18/23) Allen submitted Paul Craig via rear naked choke at :38 of the third round
• UFC on ABC(6/24/23) Allen submitted Bruno Silva via rear naked choke at 4:39 of the first round
• UFC Fight Night(2/25/23) Allen submitted Andre Muniz via rear naked choke at 4:25 of the third round
• UFC Fight Night(10/1/22) Allen submitted Krzysztof Jotko via rear naked choke at 4:17 of the first round
• UFC 275(6/11/22) Allen won a three round unanimous decision over Jacob Malkoun
• UFC Fight Night(2/5/22) Allen submitted Sam Alvey via rear naked choke at 2:10 of the second round
• UFC on ESPN(12/4/21) Allen was stopped by Chris Curtis via strikes at 1:58 of the second round
• UFC on ESPN(7/24/21) Allen won a three round unanimous decision over Punahele Soriano
• UFC 261(4/24/21) Allen submitted Karl Roberson via ankle lock at 4:55 of the first round
• UFC Fight Night(11/14/20) Allen was stopped by Sean Strickland via strikes at 1:32 of the second round
• UFC on ESPN(6/27/20) Allen won a three round unanimous decision over Kyle Daukaus
• UFC Fight Night(2/29/20) Allen stopped Breese via strikes at 4:47 of the first round
• UFC on ESPN(10/18/19) Allen submitted Kevin Holland via rear naked choke at 3:38 of the second round
• Dana White's Contender Series, Season 3
• Episode 4(7/16/19) Allen submitted Aaron Jeffery via rear naked choke at 3:23 of the first round