CAMACHO

Set to 3 different clues across 3 published puzzles, most often “1980s lightweight boxing champ” — The New York Times, Sunday, 17 July 2011.

7 letters

Every clue on record, most used first

1980s lightweight boxing champonce
The New York Times — Sunday, 17 July 2011
Boxing champ Hectoronce
The New York Times — Thursday, 25 March 2010
Former W.B.C. lightweight championonce
The New York Times — Sunday, 22 February 1998