• UFC on ESPN(5/3/25) Mayes lost a three round unanimous decision to Thomas Petersen
• UFC Fight Night(2/15/25) Mayes was submitted by Valter Walker via heel hook at 1:17 of the first round
• UFC on ABC(8/3/24) Mayes lost a three round unanimous decision to Shamil Gaziev
• UFC on ESPN(4/27/24) Mayes won a three round unanimous decision over Caio Machado
• UFC Fight Night(11/4/23) Mayes lost a three round unanimous decision to Rodrigo Nascimento
• UFC on ESPN(6/3/23) Mayes stopped Andrei Arlovski via strikes at 3:17 of the second round
• UFC Fight Night(2/25/23) Mayes lost a three round unanimous decision to Augusto Sakai
• UFC 277(7/30/22) Mayes’ split decision loss to Hamdy Abdelwahab was overturned to a no contest when Abdelwahab failed a post-fight drug test
• UFC Fight Night(12/18/21) Mayes stopped Josh Parisian via strikes at 3:26 of the third round
• UFC Fight Night(11/14/20) Mayes won a three round unanimous decision over Roque Martinez
• UFC on ESPN(5/16/20) Mayes was submitted by Rodrigo Nascimento via rear naked choke at 2:05 of the second round
• UFC Fight Night(10/26/19) Mayes was submitted by Ciryl Gane via heel hook at 4:46 of the third round
• Dana White's Contender Series, Season 3
• Week 4(7/16/19) Mayes stopped Ricardo Prasel via strikes at 4:59 of the first round
• Dana White's Contender Series, Season 2
• Week 7(7/31/18) Mayes stopped Mitchell Sipe via strikes at 4:49 of the second round
• Dana White's Contender Series, Season 1
• Week 8(8/29/17) Mayes was stopped by Allen Crowder via strikes at 4:12 of the third round