Answer:

kos

AnswerCrossword Clue
KOSSends down for the count
KOSPuts on canvas?
KOSPuts on the canvas?
KOSFloors
KOSDodecanese island
KOSRing victories
KOSVictories for Holmes
KOSVictories for Ali
KOSRing decisions
KOSSome ring outcomes
KOSFlattens in the WBA
KOSDecks in the ring
KOSDecks
KOSRef's ring calls
KOSWBA bout enders
KOSPolitical blog "Daily .."
KOSDecks with a blow
KOSDaily ... (liberal blog since 2002)
KOSLays out
KOSFight enders, for short
KOSRing finishes
KOSFight enders, briefly
KOSRing endings
KOSStops in a ring
KOSBig blows
KOSLevels in boxing?
KOSPugilist's stat
KOSBoxer's stat
KOSSugar Ray Robinson had 109 in his career
KOSBoxing stat
KOSLevels in the ring?
KOSDecks in a ring
KOSDefinitive boxing wins, briefly
KOSRing floorings?
KOSColdcocks, briefly
KOSDecks, briefly
KOSFloors, briefly
KOSLevels, briefly
KOSWBA stats
KOSFighter's stat