e/List of British middleweight boxing champions

Information
has gloss	eng: List of British middleweight boxing champions is a table showing the boxers who have won the British middleweight championship. The title has been sanctioned by the National Sporting Club since 1909, and later by its replacement the British Boxing Board of Control since 1929.
lexicalization	eng: List of British middleweight boxing champions
instance of	c/British boxers