Question: Matt Alan Veach (born May 31, 1981) is an American mixed martial arts fighter, known for his 3 fight stint in the UFC, including his "Fight of the Night" performance against which former UFC Lightweight Champion, who's the  American mixed martial artist who competes as a Featherweight in the Ultimate Fighting Championship and is a former UFC Lightweight Champion, born on October 16, 1981?

full_context: Document 1: Matt Veach: Matt Alan Veach (born May 31, 1981) is an American mixed martial arts fighter. He is known for his 3 fight stint in the UFC, including his "Fight of the Night" performance against former UFC Lightweight Champion Frankie Edgar.
Document 2: KHK MMA: The Khalid Bin Hamad Al Khalifa Mixed Martial Arts (KHK MMA) is a martial arts organization based in Bahrain. It was founded under the patronage of His Highness Khalid bin Hamad Al Khalifa for its current CEO and professional MMA fighter Mohammed "The Hawk" Shahid in February 2015. Fighters competing under KHK MMA banner include: former UFC lightweight champion Frankie Edgar, UFC lightweight contender Khabib Nurmagomedov, UFC lightweight fighter Islam Makhachev, Bellator fighter James Gallagher, 2-time IMMAF champion Jose "Shorty" Torres, former UFC fighter and current Titan FC contender Alex Soto, and current Desert Force fighter Hamza Kooheji. KHK MMA activities include: coaching pro fighters, developing amateur MMA, promoting martial arts events, fitness gyms, and a sports gear brand.
Document 3: Clay Guida: Clayton "The Carpenter" Guida ( ; born December 8, 1981) is an American professional mixed martial artist, fighting in the UFC as a Featherweight. A professional competitor since 2003, Guida has also formerly competed for Strikeforce, the WEC, King of the Cage, and Shooto. Guida was the inaugural Strikeforce Lightweight Champion He holds notable victories over former UFC Lightweight Champions Rafael Dos Anjos and Anthony Pettis.
Document 4: Matt Serra: Matthew John Serra (born June 2, 1974) is an American former professional mixed martial artist, Brazilian Jiu-Jitsu practitioner who competed for the Ultimate Fighting Championship and stand up comic. He currently serves as a UFC on FOX analyst. Serra defeated Pete Spratt, Shonie Carter and Chris Lytle en route to becoming The Ultimate Fighter 4 Welterweight Tournament Winner. He captured the UFC Welterweight Championship immediately after, becoming the first of only four to win both accolades (along with Forrest Griffin, Rashad Evans, Michael Bisping). Serra also served as the head coach for "The Ultimate Fighter 6" reality show opposite Matt Hughes. In Brazilian Jiu-Jitsu, Serra holds a Silver Medal in the ADCC Submission Wrestling World Championship.
Document 5: Vinny Magalhães: Vinicius de Magalhães (] ; born July 2, 1984), is a Brazilian mixed martial artist who competes in the World Series of Fighting's Light Heavyweight division. He was a finalist in "" and has fought five times within two stints with the Ultimate Fighting Championship. He is the former Titan FC Light Heavyweight Champion, M-1 Global Light Heavyweight Champion and is also a multiple time jiu-jitsu gi and no-gi world champion. Magalhães currently fights in the light heavyweight division of the Absolute Championship Berkut.
Document 6: Frankie Edgar: Frank James Edgar (born October 16, 1981) is an American mixed martial artist who competes as a Featherweight in the Ultimate Fighting Championship and is a former UFC Lightweight Champion. He holds notable victories over former world champions Sean Sherk, Hermes França, B.J. Penn (x3), Urijah Faber as well as top featherweight contender Chad Mendes. As of June 5, 2017, Edgar is ranked as the #2 featherweight fighter.
Document 7: José Aldo: José Aldo da Silva Oliveira Junior (] ; born September 9, 1986) is a Brazilian mixed martial artist in the Ultimate Fighting Championship. He was the fourth and final WEC Featherweight Champion and thus, became the first UFC Featherweight Champion during the UFC/WEC merger. He is a former two-time UFC Featherweight Champion. He was named Sherdog's 2009 Fighter of the Year. He is currently #12 in official UFC pound-for-pound rankings, having been ranked as high as #1 in 2015, and ranked the #2 featherweight in the world and #7 pound-for-pound by Sherdog. In the decade from November 2005 through December 2015, Aldo was undefeated in 18 fights. In Sherdog's April 2017 Pound-For-Pound ranking, Aldo was called "the greatest featherweight in mixed martial arts history."
Document 8: Sean Sherk: Sean Keith Sherk (born August 5, 1973) is a retired American mixed martial artist and former UFC Lightweight Champion. Sherk competed in the Ultimate Fighting Championship and was one of the first combatants to have been a championship competitor in multiple weight divisions (having also competed for the UFC Welterweight Championship). He was the second UFC Lightweight Champion in the organization's history after Jens Pulver vacated his title 5 years earlier. Sherk also spent time competing in the Japan-based organizations, PRIDE Fighting Championships and Pancrase; going undefeated in both promotions. He holds one of the longest undefeated streaks in mixed martial arts history, with only four career losses, all to fellow-UFC Champions. Sherk announced his official retirement from mixed martial arts competition in September 2013 having last fought three years prior.
Document 9: UFC Fight Night: Maynard vs. Diaz: UFC Fight Night: Maynard vs. Diaz (also known as UFC Fight Night 20) was a mixed martial arts event held by the Ultimate Fighting Championship (UFC) on January 11, 2010 at the Patriot Center in Fairfax, Virginia.
Document 10: Frank Mir: Francisco Santos "Frank" Mir, III (born May 24, 1979) is an American mixed martial artist, who competes for Bellator MMA in the Heavyweight division. He formerly competed in the Ultimate Fighting Championship (UFC) for sixteen years. A former UFC Heavyweight Champion, he currently holds the record for most fights, victories, and submissions in UFC Heavyweight history, and is tied for 4th most UFC victories overall. Up until his release, Mir possessed the longest uninterrupted tenure of any fighter in UFC history. He is the first man to knock out and submit Antônio Rodrigo Nogueira.
Document 11: Michael Chandler: Michael Chandler Jr. (born April 24, 1986) is an American mixed martial artist fighting in the lightweight division. He is currently under contract with Bellator MMA where he is a former two-time Bellator Lightweight Champion. He was also the winner of the . Chandler is currently ranked as the #7 Lightweight in the world accrording to FightMatrix.com and is regarded as one of the top 20 greatest Lightweight fighters of all time. He was the 2011 Breakthrough Fighter of the Year. He holds notable victories over UFC Lightweight Champions Benson Henderson and Eddie Alvarez.
Document 12: Matt Hughes (fighter): Matthew Allen Hughes (born October 13, 1973) is a retired American mixed martial artist with a background in wrestling. He is a two-time UFC Welterweight Champion, UFC Hall of Fame inductee, and NJCAA Hall of Fame inductee. During his tenures in the Ultimate Fighting Championship, Hughes put together two separate six-fight winning streaks, defeated all the available opposition in the welterweight division, and defended the belt a then-record seven times. Hughes was inducted into the UFC Hall of Fame in May 2010 during the UFC Fan Expo in conjunction with UFC 114.
Document 13: B.J. Penn: Jay Dee "B.J." Penn (born December 13, 1978) is an American professional mixed martial artist and Brazilian Jiu-Jitsu practitioner. Penn debuted and competed in the Ultimate Fighting Championship (UFC), and later in K-1. Prior to fighting for the UFC, he became the first American Gold medalist of the World Jiu-Jitsu Championship. In mixed martial arts, Penn has competed in the Featherweight, Lightweight, Welterweight, and Middleweight divisions. As a former UFC Lightweight Champion and UFC Welterweight Champion, he is one of only three fighters in UFC history to win titles in multiple weight classes. Penn was also a Co-champion in the UFC 41 Lightweight Tournament, due to an eventual draw opposite Caol Uno in the tournament finale. Through his tenures as champion, Penn unofficially unified the UFC Lightweight Championship (against Sean Sherk) and broke the all-time lightweight title defense record. Penn was inducted into the UFC Hall of Fame, as the inaugural inductee in the Modern-Era Wing by career-long rival Matt Hughes, during "International Fight Week" in July 2015.
Document 14: Eddie Yagin: Eddie Yagin (born March 23, 1979) is a Filipino-American mixed martial artist, who is best known for his two-fight stint with the Ultimate Fighting Championship. Yagin holds notable wins over Joe Soto and Mark Hominick, and is a former Tachi Palace Fights Featherweight Champion.
Document 15: Frank Shamrock: Frank Shamrock (born Frank Alisio Juarez, III; December 8, 1972) is an American former mixed martial artist. Shamrock was the first to hold the UFC Middleweight Championship (later renamed the UFC Light Heavyweight Championship) and retired as the four-time defending undefeated champion. Shamrock was the No. 1 ranked pound for pound UFC fighter in the world during his reign as the UFC Middleweight Champion. Shamrock has won numerous titles in other martial arts organizations, including the interim King of Pancrase title, the WEC Light Heavyweight Championship and the Strikeforce Middleweight Championship.
ground_truth: Frank James Edgar