answers: Chávez
context: weight class. Keys: Though these lists do not include The Ring and lineal championship reigns after 1921, they only include title reigns during which the champion captured "The Ring" or lineal title. As of 23, 2019. As of 23, 2019. World boxing championship records and statistics Since at least John L. Sullivan, in the late 19th century, there have been world champions in professional boxing. At the very beginnings, before any sanctioning body was established, many boxers proclaimed themselves as legitimate champions. Eventually, champions were recognized through public acclamation, succesively establishing a lineage. Important sets of weight classes were those </s> to 1991. He also held the ""Ring" magazine and lineal lightweight titles from 1988 to 1989, and the lineal light welterweight title twice between 1990 and 1996. Chávez was named Fighter of the Year for 1987 and 1990 by the Boxing Writers Association of America and "The Ring" respectively. Chávez holds records for the most total successful defenses of world titles (27, shared with Omar Narváez), most title fight victories and fighters beaten for the title (both at 31), and most title fights (37); he has the second most title defenses won by knockout (21, after Joe Louis with 23). </s> in private athletic clubs between members. Thus, when introducing the fighters, the announcer frequently added the phrase "Both members of this club", as George Wesley Bellows titled one of his paintings. The western region of the United States tended to be more tolerant of prizefights in this era, although the private club arrangement was standard practice here as well, San Francisco's California Athletic Club being a prominent example. On December 26, 1908, heavyweight Jack Johnson became the first black heavyweight champion and a highly controversial figure in that racially charged era. Prizefights often had unlimited rounds, and could easily become
question: who has the most boxing wins in history