![Caol Uno, right, fights Fabricio Camoes at UFC 106 at the Mandalay Events Center on November 21, 2009 in Las Vegas, Nevada. Photo Credit: Francis Specker Stock Photo - Alamy Caol Uno, right, fights Fabricio Camoes at UFC 106 at the Mandalay Events Center on November 21, 2009 in Las Vegas, Nevada. Photo Credit: Francis Specker Stock Photo - Alamy](https://c8.alamy.com/comp/HAWW67/caol-uno-right-fights-fabricio-camoes-at-ufc-106-at-the-mandalay-events-HAWW67.jpg)
Caol Uno, right, fights Fabricio Camoes at UFC 106 at the Mandalay Events Center on November 21, 2009 in Las Vegas, Nevada. Photo Credit: Francis Specker Stock Photo - Alamy
![MMA Fighting on X: ".@jens_pulver reflects on the 20th anniversary of winning the #UFC lightweight title over Caol Uno at UFC 30. Full story: https://t.co/Q1q6dG9JxO https://t.co/UcnDKKYtO4" / X MMA Fighting on X: ".@jens_pulver reflects on the 20th anniversary of winning the #UFC lightweight title over Caol Uno at UFC 30. Full story: https://t.co/Q1q6dG9JxO https://t.co/UcnDKKYtO4" / X](https://pbs.twimg.com/media/Eu7VXeLU4AUY1L5.jpg)
MMA Fighting on X: ".@jens_pulver reflects on the 20th anniversary of winning the #UFC lightweight title over Caol Uno at UFC 30. Full story: https://t.co/Q1q6dG9JxO https://t.co/UcnDKKYtO4" / X
![Caol Uno at UFC 106 at the Mandalay Events Center on November 21, 2009 in Las Vegas, Nevada. Photo Credit: Francis Specker Stock Photo - Alamy Caol Uno at UFC 106 at the Mandalay Events Center on November 21, 2009 in Las Vegas, Nevada. Photo Credit: Francis Specker Stock Photo - Alamy](https://c8.alamy.com/comp/HAWW8Y/caol-uno-at-ufc-106-at-the-mandalay-events-center-on-november-21-2009-HAWW8Y.jpg)
Caol Uno at UFC 106 at the Mandalay Events Center on November 21, 2009 in Las Vegas, Nevada. Photo Credit: Francis Specker Stock Photo - Alamy
![MMA History Today on X: "Feb28.2003 In a fight that was to determine the next UFC Lightweight Champion, BJ Penn & Caol Uno fight to a split draw https://t.co/F5pfRxMdDZ" / X MMA History Today on X: "Feb28.2003 In a fight that was to determine the next UFC Lightweight Champion, BJ Penn & Caol Uno fight to a split draw https://t.co/F5pfRxMdDZ" / X](https://pbs.twimg.com/media/ER6XY6MX0AEJ_8K.jpg)