• UFC Fight Night(7/22/23) Diakiese was submitted by Joel Alvarez via brabo choke at 4:26 of the second round
• UFC on ESPN(12/3/22) Diakiese lost a three round unanimous decision to Michael Johnson
• UFC Fight Night(7/23/22) Diakiese won a three round unanimous decision over Damir Hadzovic
• UFC on ESPN(3/26/22) Diakiese won a three round unanimous decision over Viacheslav Borschev
• UFC Fight Night(11/13/21) Diakiese was submitted by Rafael Alves via guillotine choke at 1:48 of the first round
• UFC Fight Night(7/19/20) Diakiese lost a three round unanimous decision to Rafael Fiziev
• UFC Fight Night(9/28/19) Diakiese won a three round unanimous decision over Lando Vannata
• UFC Fight Night(3/16/19) Diakiese won a three round unanimous decision over Joe Duffy
• UFC Fight Night(7/22/18) Diakiese lost a three round unanimous decision to Nasrat Haqparast
• UFC 219(12/30/17) Diakiese was submitted by Dan Hooker via guillotine choke at :42 of the third round
• TUF 25 Finale(7/7/17) Diakiese lost a three round split decision to Drakkar Klose
• UFC Fight Night(3/18/17) Diakiese knocked out Teemu Packalen at :30 of the first round
• UFC Fight Night(12/9/16) Diakiese won a three round unanimous decision over Frankie Perez
• UFC 204(10/8/16) Diakiese stopped Lukasz Sajewski via strikes at 4:40 of the second round