Which Brazilian mixed martial artist and former UFC Middleweight Champion whose title streak ended after nearly 2,500 days did Luiz Carlos Dórea train?
Anderson Silva
Anderson Silva
Anderson da Silva (] ; born April 14, 1975) is a Brazilian mixed martial artist and former UFC Middleweight Champion.
 Silva holds the longest title streak in UFC history, which ended in 2013 after 2,457 days, with 16 consecutive wins and 10 title defenses.
 He has 13 post-fight bonuses, the second most in UFC history.
 UFC president Dana White and several mixed-martial-arts publications have called Silva the greatest mixed martial artist of all time.
 He is currently ranked the #6 contender in official UFC middleweight rankings.
Luiz Carlos Dórea
Luiz Carlos Dórea Barreto (born March 7, 1965) is a boxing and mixed martial arts trainer from Brazil and is also a retired boxer.
 He trained many boxers like Acelino Freitas, Éverton Lopes and Adriana Araújo and mixed martial artists like Anderson Silva, Junior dos Santos, Antônio Rodrigo Nogueira and Antônio Rogério Nogueira.
Renzo Gracie
Renzo Gracie ( ; ] ; born March 11, 1967) is a Brazilian mixed martial artist and Brazilian Jiu-Jitsu practitioner.
 A member of the Gracie family of Brazil, Renzo is a 6th Degree Black in Brazilian Jiu-Jitsu under Carlos Gracie Jr..
 He is the son of Robson Gracie, grandson of Carlos Gracie, nephew of Carlos Gracie, Jr. grandnephew of Helio Gracie, and the 1st cousin once removed of Royce Gracie.
 In mixed martial arts, Renzo has competed in the Ultimate Fighting Championship, Pride Fighting Championships, K-1, RINGS, and International Fight League (head-coaching the New York Pitbulls).
 He holds notable victories over five former UFC Champions: Frank Shamrock (UFC Light Heavyweight Champion), Carlos Newton (UFC Welterweight Champion), Pat Miletich (UFC Welterweight Champion), Maurice Smith (UFC Heavyweight Champion), and Oleg Taktarov (UFC 6 Tournament Winner) 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. Ronaldo Souza
Ronaldo Souza dos Santos (born December 7, 1979), nicknamed Jacaré (] ), is a Brazilian mixed martial artist, submission grappler and Brazilian jiu-jitsu practitioner competing in the UFC's middleweight division.
 Souza is the former Strikeforce Middleweight Champion, and has also formerly competed for DREAM, and Jungle Fight.
 As of February 11, 2016, he is #3 in official UFC middleweight rankings. Murilo Bustamante
Murilo Bustamante (] ; born July 30, 1966 in Rio de Janeiro) is a Brazilian mixed martial artist and former UFC Middleweight Champion.
 He is one of the founders of the "Brazilian Top Team" and is the current leader.
 In addition to competing for the UFC, he has also fought in PRIDE, making it to the Pride Shockwave 2005 Final, and also fought in Yarennoka!
 Luke Rockhold
Luke Skyler Rockhold (born October 17, 1984) is an American mixed martial artist competing in the UFC, where he is the former UFC Middleweight Champion.
 He won the title on December 12, 2015 by defeating prior champion, the undefeated Chris Weidman via 4th round TKO.
 He lost his belt in his first title defense against Michael Bisping, who stepped in after Weidman pulled out of their scheduled rematch.
 A two-time world champion, Rockhold also won the Strikeforce Middleweight Championship by defeating Ronaldo Souza on September 10, 2011 via unanimous decision.
 Rockhold defended the title twice and was the last man to hold the belt, before Strikeforce was officially taken over by the UFC.
 He is currently ranked the #2 middleweight and #12 official pound-for-pound fighter by the UFC and other publications like Fight Matrix and Sherdog.
 Luke is also an avid surfer and skateboarder. Vitor Belfort
Vitor Vieira Belfort (] ; born April 1, 1977) is a Brazilian mixed martial artist currently competing in the Middleweight division of the Ultimate Fighting Championship.
 He is the former UFC Light Heavyweight Champion, UFC 12 Heavyweight Tournament Champion, and the Cage Rage World Light Heavyweight Champion.
 As of June 16, 2017, he is the #11 contender in official UFC Middleweight rankings. Chris Weidman
Christopher James "Chris" Weidman (born June 17, 1984) is an American mixed martial artist.
 He is the former UFC Middleweight Champion.
 He is currently ranked as the #6 middleweight in the world.
 In 2013, he earned worldwide prominence by becoming the first man to defeat Anderson Silva inside the UFC to become the Middleweight Champion, which he held for approximately two and a half years.
 Chris Weidman successfully defended the belt three times before losing it to Luke Rockhold. Dan Henderson
Daniel Jeffery Henderson (born August 24, 1970) is an American former mixed martial artist and Olympic wrestler, who last competed as a middleweight in the Ultimate Fighting Championship.
 He was the last Strikeforce Light Heavyweight Champion and was the last Welterweight (80 kg ) and Middleweight (95 kg ) champion of Pride Fighting Championships.
 Additionally, Henderson was the Brazil Open '97 Tournament Champion, the UFC 17 Middleweight Tournament Champion, the Rings: King of Kings 1999 Tournament Champion and the Pride Weltwerweight Grand Prix Tournament Champion.
 During his career, Henderson also challenged for the UFC Middleweight Championship (2x), the UFC Light Heavyweight Championship and the Strikeforce Middleweight Championship.
 He was the first mixed martial artist to concurrently hold two titles in two different weight classes in a major MMA promotion.
 At the time of his retirement after UFC 204, he was the oldest fighter on the UFC roster.
 Known to be one of the greatest mixed martial artists of all time having defeated a total of seventeen MMA world champions across four major MMA promotions (UFC, PRIDE FC, Strikeforce, and RINGS).