Question: What sport do Ricardo Arona and Jeff Monson have in common?

Context paragraphs:
Canadian Cutting Horse Association: The Canadian Cutting Horse Association (CCHA) is a non-profit organization dedicated to promoting the equestrian sport of cutting in Canada.  Founded in 1954, it regulates a sport that began in the mid-1880s and became popular in Canada in the 1940s and 1950s.  The CCHA maintains a Hall of Fame to honour members who have made outstanding contributions to the sport.  The CCHA's patron is HRH Prince Philip, Duke of Edinburgh.  Cutting is a sport based on ranchwork that began in the early 19th century, cutting cattle out of herds.  Horses and riders are judged on how well they work to remove a single steer from a herd and keep it from returning.  The CCHA promotes a type of horse called the Canadian cutting horse; this type is made up of many breeds with a common stock horse background.

Jeff Monson: Jeffrey William Monson (born January 18, 1971) is an American mixed martial artist currently competing in the Heavyweight division.  A professional competitor since 1997, he has competed for the UFC, Strikeforce, DREAM, PRIDE, M-1 Global, Impact FC, World Victory Road, and Cage Warriors.  In Brazilian jiu-jitsu and grappling, Monson is a two-time winner of the ADCC Submission Wrestling World Championship, and a No Gi Brazilian jiu-jitsu World Champion.  Monson is also an anarcho-communist known for his radical political views.  He is the host of "Monson TV" on RT.

Ricardo Mayorga: Ricardo Antonio Mayorga Perez (born October 3, 1973), best known as Ricardo Mayorga, is a Nicaraguan professional boxer and former mixed martial artist.  In boxing he is a former two-weight world champion, having held the unified WBA (Super), WBC, "Ring" magazine, and lineal welterweight titles in 2003, and the WBC super welterweight title from 2005 to 2006.  Mayorga first became well-known to boxing fans upon being featured on the cover of "The Ring"' s December 2003 issue, entitled ""The craziest man in the sport: Mayorga lights up boxing.""  He has since maintained this infamous reputation with his relentless trash-talk in the build-up to most of his fights, as well as his smoking and drinking habits outside the ring.

Bob Gilstrap: Robert "Bob" Gilstrap (born 1974) is an American former mixed martial artist who competed in the Heavyweight division.  He lost the last fight of his career at AMC - Return of the Gladiators 1 against Jeff Monson on July 29, 2000.

Names of Australian rules football: The sport of Australian football has been called by a number of different names throughout its history; but since 1905, after the formation of the Australasian Football Council, the game has been officially called "Australian football"; and the name has been codified by the sport's governing body, the AFL Commission, as the game's official name, in the "Laws of Australian football".  Historically, the sport has been called "Victorian rules" (referring to its origins in Melbourne), the "Victorian game", the "bouncing game", "Australasian rules", the "Australian game" and "national football", as well as several other names.  Today, the common names for the sport are "Australian rules football" or "football", and common nicknames for the sport are "footy", "Aussie rules" or sometimes "AFL" (a genericised abbreviation of Australian Football League, the sport's largest competition and only fully professional league).

Robert Monson: Robert Monson (by 1532 – 23 September 1583) was an English politician and judge.  He was Member of Parliament for various constituencies from 1553 to 1572 and also became Justice of the Common Pleas.

Ricardo Arona: Ricardo Arona (] ; born July 17, 1978) is a retired Brazilian mixed martial artist.  He has competed in PRIDE Fighting Championships and RINGS in his mixed martial arts career, and was a member of Brazilian Top Team.  He is the former RINGS Middleweight Champion, as well as the 2001 RINGS Middleweight Championship Tournament Winner, and 2005 PRIDE Middleweight Grand Prix Runner-Up.  In submission wrestling, he holds an undefeated record of 13-0, never losing a single point in a match, and is a three-time ADCC Champion.  He has notable wins in both MMA and submission grappling competition over Tito Ortiz, Jeff Monson, Renato Sobral, Vitor Belfort, Mark Kerr, Kazushi Sakuraba, Wanderlei Silva, Dan Henderson, Alistair Overeem, Murilo Rua, Jeremy Horn, Guy Mezger, and Dean Lister.

DJ Black: Ricardo Alexander O’Neil Weeks (born July 2, 1972), better known by his stage name DJ Black or DJ Negro, is a Panamanian recording artist, songwriter, producer and music executive.  In 2008 DJ Black wrote the smash hit "Chucha Su Madre" which was the number one record in Panama for several months.  Since 2008, DJ Black's song "Chucha Su Madre" has been the subject of both controversy and praise.  It went straight to number 1 in the Panama radio and video charts and was featured in Carnival 2008.  Due to its use of the words "Chucha Su Madre"(which in English translation means "Mother Fucker") the government of Panama censored the song.  This action meant that DJ Black was unable to claim the official "El Rey De Carnival" crown.  Despite this fact, DJ Black performed the song for millions; and the single itself continues to set records for most often played track on Panamanian radio.  Due to his rising popularity among the country's common communities, DJ Black has recently been appointed by President Ricardo Martinelli to be the Director/Minister of Culture

Mário Sperry: José Mário Sperry (born September 28, 1966) is a Brazilian heavyweight mixed martial artist.  His specialty is Brazilian jiu-jitsu, grappling and ground fighting.  He is also one of the founders of the Brazilian Top Team, where he trained fighters such as Antônio Rodrigo Nogueira, Antônio Rogério Nogueira, Ricardo Arona, and Paulo Filho, among others.

Dwight Loomis: Dwight Loomis (July 27, 1821 – September 17, 1903) was a United States Representative from Connecticut.  He was born in Columbia, Connecticut where he attended the common schools.  He also attended the academies in Monson, Massachusetts and Amherst, Massachusetts.  He taught school and was also graduated from the law department of Yale University in 1847.  He was admitted to the bar the same year and commenced practice at Rockville, Connecticut.

Supporting paragraphs: Ricardo Arona Jeff Monson
Answer: mixed martial artist