There have been more than 8,000 fights in UFC history.
A large reason fans around the world tuned in for each of those was with the hope of seeing a spectacular knockout.
Three-plus decades after the UFC held its first event in November 1993, only a dozen knockouts have taken place in 10 seconds or less.
With some help of the record-keeping of MMA database Tapology, relive the fastest knockouts in UFC history in the list below.
12 Mark Weir def. Eugene Jackson
Time: 10 seconds
Event: UFC 38
Date: July 13, 2002
11 Gray Maynard def. Joe Veres
Time: 9 seconds
Event: UFC Fight Night 11
Date: Sept. 19, 2007
10 Jairzinho Rozenstruik def. Allen Crowder
Time: 9 seconds
Event: UFC Fight Night 154
Date: June 22, 2019
9 Leon Edwards def. Seth Baczynski
Time: 8 seconds
Event: UFC Fight Night 64
Date: April 11, 2015
8 Makwan Amirkhani def. Andy Ogle
Time: 8 seconds
Event: UFC on FOX 14
Date: Jan. 24, 2015
7 Don Frye def. Sam Adkins
Time: 8 seconds
Event: UFC 8
Date: Feb. 16, 1996
6 James Irvin def. Houston Alexander
Time: 8 seconds
Event: UFC Fight Night 13
Date: April 2, 2008
5 Terrance McKinney def. Matt Frevola
Time: 7 seconds
Event: UFC 263
Date: June 12, 2021
4 Chan Sung Jung def. Mark Hominick
Time: 7 seconds
Event: UFC 140
Date: Dec. 10, 2011
3 Todd Duffee def. Tim Hague
Time: 7 seconds
Event: UFC 102
Date: Aug. 29, 2009
2 Ryan Jimmo def. Anthony Perosh
Time: 7 seconds
Event: UFC 149
Date: July 21, 2012
1 Jorge Masvidal def. Ben Askren
Time: 5 seconds
Event: UFC 239
Date: July 6, 2019