6
Number of live UFC events held in the 38 days from October 9th to November 16th: UFC Fight Night: Maia vs. Shields, UFC 166, UFC Fight Night: Machida vs. Munoz, Fight for the Troops 3, UFC Fight Night: Belfort vs. Henderson, and UFC 167

609
Number of days between the UFC's first-ever live event and its sixth

71
Number of UFC fights during that span

27
KO/TKOs

13
Submissions

2
Total number of submissions via tapping to strikes (knees and punches), which happened in back-to-back fights: Brandon Thatch over Paulo Thiago and Rafael "Feijao" Cavalcante over Igor Pokrajac

2
Title fights: heavyweight and welterweight

0
New champions

1
Highly controversial split-decision win by Georges St-Pierre over Johny Hendricks, which crashed many MMA websites

123
Significant strikes landed by UFC heavyweight champ Cain Velasquez in his UFC 166 win over Junior Dos Santos, which came via 5th round TKO,

12
Number more significant strikes landed by Velasquez at UFC 166 than in his UD win over Dos Santos at UFC 155

3
Different countries the events were in: Brazil (2x), England, and USA (3x)

21
Countries represented by fighters across the 6 events: Argentina, Bahamas, Brazil, Canada, Croatia, Cuba, England, France, Guam, Ireland, Italy, Japan, Mexico, Netherlands, Nigeria, Poland, Russia, Scotland, South Korea, Sweden, and USA

4-0
Combined record of the four Russian-born fighters: Omari Akhmedov, Adlan Amagov, Ali Bagautinov, and Rustam Khabilov

9
Finishes at UFC Fight Night: Belfort vs. Henderson, just 1 shy of the record held by UFC Fight Night 13 and UFC on Fuel TV 10

7
First-round finishes at Belfort vs. Henderson (5 KO/TKOs, 4 subs) including the main event head-kick KO by Vitor Belfort

150,000
Bonus money earned by Belfort’s three consecutive head-kick KO wins, which all earned Knockout of the Night awards

2
KOTN bonuses for Lyoto “The Dragon” Machida has won for head-kick KO, including his most recent over Mark Munoz

31
Seconds it took Rousimar Palhares to heelhook Mike Pierce , the fastest finish in the five-week stretch

∞
The length of Palhares’ ban from the UFC for holding on to that heel hook

6
Number of main events scheduled for 5 rounds

3
Number of those that ended in first-round knockouts

2
Number that lasted the full 25 minutes

1
Number of times the winners of those two five-round fights -- Georges St-Pierre and Jake Shields -- fought one another for twenty-five minutes.

4000
Approximate number of days between “Ruthless” Robbie Lawler’s first UFC three-fight win streak (Aaron Riley, Steve Berger, Tiki Ghosen) and his next/current three-fight win streak (Josh Koscheck, Bobby Voekler, Rory MacDonald)

5900
Approximate number of days Dan Henderson went in his 40-fight career without ever losing by KO/TKO until being stopped with Belfort headkick

7
Number of post-fight bonuses that Donald “Cowboy” Cerrone has earned in his 11-fight UFC career

460,000
Dollars in bonus money Donald “Cowboy” Cerrone has earned inside the Octagon (3 FOTN, 2 KOTN, 2 SOTN including most recent triangle choke over Evan Dunham)

22
Number of stitches Rony Jason reportedly received after cutting his arm elbowing a wall in anger after his knockout loss at UFC Fight Night in Goiania

12/10/1998
Date of the first UFC: Fight for the Troops and the day Kennedy returned from active Special Forces sniper duty from Afghanistan

426
Combined significant strikes thrown in the UFC 166 Fight of the Year candidate between Gilbert Melendez and Diego Sanchez

5
Fighters who won emphatically, but said they plan on dropping to a lower weight class in their next fight: Omari Akhmedov, Thiago Tavares, Daniel Cormier, Jason High and Donald Cerrone

167
Numbered event after which UFC president Dana White called for the governor to step in to fix MMA judging

166
Numbered event that White declared to have been the best card in the brand's history