Question: what does Hank Schwartz and Joe Frazier have in common?

Context paragraphs:
Joe Frazier: Joseph William Frazier (January 12, 1944 – November 7, 2011), nicknamed "Smokin' Joe", was an American professional boxer who competed from 1965 to 1981.  He reigned as the undisputed heavyweight champion from 1970 to 1973, and as an amateur won a gold medal at the 1964 Summer Olympics.  Frazier was known for his sheer strength, durability, formidable punching power, and relentless pressure fighting style.

The Fighters (film): The Fighters is a 1974 documentary film directed by Rick Baxter and William Greaves.  With Muhammad Ali, Joe Frazier, Richie Havens, and Burt Lancaster.

George Johnson (boxer): George Raft "Scrap Iron" Johnson (December 15, 1938 – April 9, 2016) was an American heavyweight boxer whose career spanned the 1950s, 1960s and 1970s.  Johnson fought many of the top fighters of his era, including George Foreman, Joe Frazier, Sonny Liston, Jerry Quarry, Duane Bobick, Joe Bugner and Eddie Machen.  Whilst a journeyman fighter he was nonetheless notorious for being extremely durable.  He could take vast amounts of punishment.  He retired in 1975 with a record of 22-27-5.  He was inducted into the California Boxing Hall of Fame in 2005.

Jackie Frazier-Lyde: Jacqueline "Jacqui" Frazier-Lyde (born Jacqueline Frazier; December 2, 1961) is an American lawyer and former professional boxer, who is the daughter of former world Heavyweight boxing champion Joe Frazier.  In the year 2000, she shocked the boxing world by announcing that at the age of 38, she would begin participating in the sport of women's boxing.  Frazier-Lyde had athletic experience, having played basketball at American University in Washington, D.C.

Thrilla in Manila: The Thrilla in Manila was the third and final boxing match between Muhammad Ali and Joe Frazier.  It was contested in 1975 for the heavyweight championship of the world at the Philippine Coliseum in Cubao, Quezon City, Philippines, on Wednesday, October 1.  The venue was renamed from Araneta Coliseum, specifically for the match.  Ali won by technical knockout (TKO) after Frazier's chief second, Eddie Futch, conceded the fight prior to the 15th round.  The contest's name is derived from the frequent rhyming boast made by Ali that the fight would be a "killa and a thrilla and a chilla, when I get that gorilla in Manila."

1977 New York Mets season: The 1977 New York Mets season was the 16th regular season for the Mets, who played home games at Shea Stadium.  Initially led by manager Joe Frazier followed by Joe Torre, the team had a 64–98 and finished in last place for the first time since 1967, and for the first time since divisional play was introduced in 1969.

Hank Schwartz: Henry R. (Hank) Schwartz, born in Brooklyn, is an expert in video communications technology and was involved in the broadcast, promotion, and distribution of notable boxing matches involving fighters including Muhammad Ali, Joe Frazier, and George Foreman during the 1970s.  An authority in microwave and satellite technology, Schwartz utilized his expertise to telecast major boxing events such as “The Rumble in the Jungle” in Zaire, “The Thrilla in Manila” in the Philippines, as well as other major events in Kingston, Jamaica; Caracas, Venezuela; Kuala Lumpur, Malaysia; and Madison Square Garden in New York.  Hank has developed and designed systems for E.I. Dupont, Western Electric, Bell Telephone, Westinghouse Electric, Revlon, RCA and others.  He also installed and designed the first cyclotron monitoring equipment for Columbia University’s School of Engineering.From 1974 to 1978 Schwartz served as Minister of Communications for the former Republic of Zaire.

Joe Frazier's Gym: Joe Frazier's Gym was a training facility owned by American professional boxer, Joe Frazier.  Frazier trained at the gym while preparing for his 1971 Fight of the Century against Muhammed Ali.

Muhammad Ali vs. Joe Frazier II: Super Fight II was a non-title boxing match between Muhammad Ali and Joe Frazier.  The second of the three Ali–Frazier bouts, it took place at Madison Square Garden in New York City on January 28, 1974.  Ali was a slight favorite to win, and did by a unanimous decision.

Kartica: Kartica were a 12 piece glam band but as of 2015 they are a 2 piece.  From Liverpool, England.  Formed in May 1973, the band was made up of members; Hookfish McHook (Vocals), Joe Frazier(Rhythm Guitar), John Stones(Lead Guitar), Ronald Ray-Gun (Bass) and a bunch of random football hooligans singing along.  A guy called Eshelby attempted to play drums but was thrown out after Hookfish caught him listening to dance music.  Hookfish left the band in 2014 and is now a professional golfer.

Supporting paragraphs: Hank Schwartz Joe Frazier
Answer: boxer