• UFC on ESPN(6/14/25) Buckley lost a five round unanimous decision to Kamaru Usman
• UFC on ESPN(12/14/24) Buckley stopped Colby Covington by TKO (doctor's stoppage) at 4:42 of the third round
• UFC 307(10/5/24) Buckley knocked out Stephen Thompson at 2:17 of the third round
• UFC on ESPN(5/11/24) Buckley won a three round unanimous decision over Nursulton Ruziboev
• UFC on ESPN(3/30/24) Buckley stopped Vicente Luque via strikes at 3:17 of the second round
• UFC Fight Night(10/7/23) Buckley won a three round unanimous decision over Alex Morono
• UFC Fight Night(5/20/23) Buckley knocked out Andre Fialho at 4:15 of the second round
• UFC 282(12/10/22) Buckley was knocked out by Chris Curtis at 2:49 of the second round
• UFC Fight Night(9/3/22) Buckley lost a three round unanimous decision to Nassourdine Imavov
• UFC on ESPN(6/18/22) Buckley defeated Albert Duraev via TKO (doctor stoppage) at 5:00 of the second round
• UFC Fight Night(2/19/22) Buckley won a three-round split decision over Abdul Razak Alhassan
• UFC Fight Night(9/18/21) Buckley knocked out Antonio Arroyo at 2:26 of the third round
• UFC on ABC(1/16/21) Buckley was knocked out by Alessio Di Chirico at 2:12 of the first round
• UFC 255(11/21/20) Buckley knocked out Jordan Wright at :18 of the second round
• UFC Fight Night(10/10/20) Buckley knocked out Impa Kasanganay at 2:03 of the second round
• UFC Fight Night(8/8/20) Buckley was stopped by Kevin Holland via strikes at :43 of the third round