No contest is a technical term used in some combat sports to describe a fight that ends for reasons outside the fighters' hands, without a winner or loser. The concept carried over to professional wrestling, where it is far more common, usually scripted to further a feud, generate heat and/or protect a push.
Konstantin Borisovich "Kostya" Tszyu is a Russian Australian former professional boxer who competed from 1992 to 2005. He held multiple light-welterweight world championships, including the undisputed and lineal titles between 2001 and 2005. Tszyu was an exceptional all-around boxer-puncher who relied heavily on accuracy and timing, and carried formidable punching power; he is often regarded as one of the hardest-punching light-welterweights in the division's history.
Kim Duk-koo was a South Korean boxer who died after fighting in a world championship boxing match against Ray Mancini. His death sparked reforms aimed at better protecting the health of fighters, including reducing the number of rounds in championship bouts from 15 to 12.
Marco Antonio Barrera Tapia is a Mexican former professional boxer who competed from 1989 to 2011. He held multiple world championships in three weight classes, including the WBO junior featherweight title twice between 1995 and 2001, the Ring magazine and lineal featherweight titles between 2001 and 2003, and the unified WBC and IBF super featherweight titles between 2004 and 2007.
Luis Ramón "Yori Boy" Campas Medina is a Mexican professional boxer who held the IBF Junior Middleweight title from 1997 to 1998. A veteran of the sport since 1987, he continues to fight as of 2019.
Antonio Deon Tarver is an American former professional boxer and boxing commentator. In boxing he competed from 1997 to 2015, and held multiple light heavyweight world championships, including the WBA (Unified), WBC, IBF and Ring magazine titles, as well as the IBO light heavyweight and cruiserweight titles.
Joan Guzmán is a Dominican former professional boxer who competed from 1997 to 2014. He held world championships in two weight classes, including the WBO junior featherweight title from 2002 to 2005, and the WBO junior lightweight title from 2006 to 2008.
Sharmba David Mitchell is an American former professional boxer who competed from 1988 to 2006. He held the WBA light welterweight title from 1998 to 2001, and the IBF interim light welterweight title in 2004.
Juan Martin Coggi is a former boxer from Argentina. A native of Santa Fe Province, which was also the birthplace of Carlos Monzón, Coggi was a three-time world light welterweight champion. He had 75 wins, 5 losses and 2 draws, with 44 wins by knockout. He never lost a fight by knockout.
Juan Meza, also known for his nickname Kid Meza, is a former boxer who was world Super Bantamweight champion. Meza was born in Mexicali, Mexico.
Juan Manuel Márquez Méndez is a Mexican former professional boxer who competed from 1993 to 2014. He is the third Mexican boxer to become a world champion in four weight classes, having held nine world championships including the WBA (Super), IBF and WBO featherweight titles between 2003 and 2007; the WBC super featherweight title from 2007 to 2008; the WBA (Super), WBO, Ring magazine and lineal lightweight titles between 2008 and 2012; and the WBO junior welterweight title from 2012 to 2013. Márquez was inducted into the International Boxing Hall of Fame in the class of 2020.
Ruben Castillo is an American boxer who fought in the Featherweight division. Castillo went on to fight four world championship fights against Hall of Famers Salvador Sánchez, Alexis Argüello and Julio César Chávez, as well as with Juan Laporte.
Arturo Frias is a retired American boxer. He is a native of Montebello, California.
Calvin Vance Brock is an American former professional boxer who competed from 2001 to 2007. He was ranked as the world's No.9 heavyweight by BoxRec at the conclusion of 2005. In 2006, he won Ring Magazine's Knockout of the Year for his win against Zuri Lawrence and challenged for the IBF and IBO heavyweight titles. Brock was forced to retire after receiving retinal damage in his right eye following his loss to Eddie Chambers.
Roger Mayweather was an American boxing trainer and former professional boxer who competed from 1981 to 1999. He was a two-division world champion, having held the WBA and lineal super featherweight titles from 1983 to 1984, and the WBC light welterweight title from 1987 to 1989. Additionally he held the IBO light welterweight title in 1994, and the IBO welterweight title from 1994 to 1995.
Robert Joseph Guerrero is an American professional boxer. He has held world championships in two weight classes, including the IBF featherweight title twice between 2006 and 2008, and the IBF junior lightweight title from 2009 to 2010. Additionally he has held multiple interim titles at lightweight and welterweight.
Johnny Montantes, alias Jumpin' Johnny, was a lightweight professional boxer from Minnesota.
Aaron Pryor was an American professional boxer who competed from 1976 to 1990. He was a two-time light welterweight world champion, having held the WBA title from 1980 to 1983, and the IBF title from 1984 to 1985. Additionally, he held the Ring magazine title from 1980 to 1983, and the lineal title from 1983 to 1986.
Miguel Cotto vs. Antonio Margarito, billed as "The Battle", was a professional boxing match between WBA welterweight champion Miguel Cotto and former IBF and WBO welterweight champion Antonio Margarito. The WBA welterweight title bout took place on July 26, 2008, at the MGM Grand in Paradise, Nevada, and resulted in an eleventh round technical knockout victory for Margarito.
Arturo Leon is an American former boxer from Arizona, United States. He was a junior lightweight who once challenged Alexis Arguello for the Nicaraguan's World Boxing Council's world Junior Lightweight title, losing by 15 round unanimous decision.