Filed from 3 published puzzles

FREEFORALL

Set to 3 different clues across 3 published puzzles, most often “Slugfest” — The New York Times, Tuesday, 22 November 2005.

10 letters

Every clue on record, most used first

Slugfestonce
The New York Times — Tuesday, 22 November 2005
"Liberate My Sons" by Arthur Milleronce
The New York Times — Sunday, 26 September 1999
Meleeonce
The New York Times — Wednesday, 29 April 1998

Other answers to these clues

BRAWL5 letters
RIOT4 letters
SETTO5 letters