UFC_youth_age

Of the 1485 UFC matches that I tracked, I could find ages for both guys for 886 matches (about 60%).

The average age difference in a UFC match is 4.25 years. (Since Jan 2008, it's down to about 3.9 years.)

Here's the list I've compiled of UFC fights with the largest age gaps. There might be others, since I've only pulled birthdates for 323 of the 774 fighters. (However, those fighters do comprise about 75% of UFC fights.)

1. UFC 93 (1/17/2009) - Mauricio Rua (age 27.2) d. Mark Coleman (age 44.1) via TKO (Punches) in 14.6 minutes = 16.9 years
2. UFC LIVE 2 (8/1/2010) - Jon Jones (age 23.1) d. Vladimir Matyushenko (age 39.6) via TKO (Elbows) in 1.9 minutes = 16.6 years
3. UFC 74 (8/25/2007) - Randy Couture (age 44.2) d. Gabriel Gonzaga (age 28.3) via TKO (Punches) in 11.6 minutes = 15.9 years
4. UFC 27 (9/22/2000) - Pedro Rizzo (age 26.4) d. Dan Severn (age 42.3) via Submission (Strikes) in 1.6 minutes = 15.9 years
5. UFC - FIGHT NIGHT 10 (6/12/2007) - Tamdan McCrory (age 20.6) d. Pete Spratt (age 36.4) via Submission (Triangle Choke) in 7.1 minutes = 15.8 years
6. UFC FIGHT NIGHT 20 (1/11/2010) - Rory MacDonald (age 20.5) d. Michael Guymon (age 35.3) via Submission (Armbar) in 4.5 minutes = 14.9 years
7. UFC 36 (3/22/2002) - Josh Barnett (age 24.4) d. Randy Couture (age 38.8) via TKO (Punches) in 9.6 minutes = 14.4 years
8. UFC 105 (11/14/2009) - Randy Couture (age 46.4) d. Brandon Vera (age 32.1) via Decision (Unanimous) in 15 minutes = 14.3 years
9. UFC 39 (9/27/2002) - Ricco Rodriguez (age 25.1) d. Randy Couture (age 39.3) via Submission (Elbow) in 23.1 minutes = 14.2 years
10. UFC 107 (12/12/2009) - Stefan Struve (age 21.8) d. Paul Buentello (age 35.9) via Decision (Majority) in 15 minutes = 14.1 years
11. UFC 41 (2/28/2003) - Frank Mir (age 23.8) d. David Abbott (age 37.9) via Submission (Toe Hold) in 0.8 minutes = 14.1 years
12. UFC 91 (11/15/2008) - Brock Lesnar (age 31.4) d. Randy Couture (age 45.4) via TKO (Punches) in 8.1 minutes = 14.1 years

So, with young beating experience in 10 out of 12 matches (and both of those wins being Captain America), you might think that there is a stunning advantage for the young. However, the reality is the edge is much more subtle. (I'd give credit to the UFC matchmaking doing a good job setting up fair match-ups.)

Age Difference (youth vs age)
Less than 5 years: 296-275 (51.8% youth)
Less than a year difference: 76-70
Between 1-2 years: 48-58
Between 2-3 years: 80-64
Between 3-4 years: 63-47
Between 4-5 years: 29-36

Between 5-10 years: 138-111 (55.4% youth)
Between 5-6 years: 39-43
Between 6-7 years: 27-21
Between 7-8 years: 27-20
Between 8-9 years: 22-16
Between 9-10 years: 23-11

More than 10 years: 35-25 (58.3% youth)
Between 10-11 years: 12-9
Between 11-12 years: 6-9
Between 12-13 years: 3-3
Between 13-14 years: 4-2
Between 14-15 years: 6-1
Between 15-16 years: 2-1
More than 16 years: 2-0

Overall record: 469-411 (youth winning 53% of fights)

Youngest fighters?
#1 Dan Lauzon lost via TKO (Punches) to Spencer Fisher at UFC 64 (10/14/06). Lauzon was only 18.5 years old while Fisher was 30.5
#2 19.9 year old Vitor Belfort fought twice at UFC 12 (02/07/97) beating 31.8 year old Scott Ferrozzo and 32 year old Tra Telligman.
#3 20.1 year old Robbie Lawler fought at UFC 37 (05/10/02) to win a decision over 21.4 year old Aaron Riley. He fought again at ufc 37.5 where he won.
#4 20.1 year old Nick Diaz won at UFC 44 (9/26/2003) where he was just days older than Lawler.
#5 20.2 year old Vitor Belfort beat 32.1 year old David "Tank" Abbott at UFC 13 (05/30/97).
#6 20.5 year old Dustin Hazelett lost to 32.2 year old Tony DeSouza at UFC - THE FINAL CHAPTER (10/10/06) via Submission (Kimura).
#7 20.5 year old Rory MacDonald submitted 35.3 year old Michael Guymon at UFC FIGHT NIGHT 20 (1/11/2010).

Lastly, two men with the same birthdate have even fought before.
At UFC 11 (09/20/96), Scott Ferrozzo won a 15-minute decision over David "Tank" Abbott. Both were 31.4 years old and born on 04/26/65.

-Chris Harrington (10/27/2010)
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