He says very few fights end with a knockout punch, which is far more harmful than an unsightly laceration.

NPR: Mixed Martial Arts: Sport or Spectacle?

But he may also be too weakened to deliver the knockout punch.

ECONOMIST: Malaysian politics

He started to use his length and reach to keep Cunningham on the outside while landing power punches, culminated by the knockout punch.

WSJ: Tyson Fury stops Steve Cunningham to win US debut

While the latest polling results and defections of leading jihadi ideologues admittedly are a major blow to al Qaeda, neither by any means constitutes a knockout punch.

CNN: Commentary: Al Qaeda isn't dead yet

Honours even then in the verbal sparring stakes with neither boxer landing a knockout punch but expect more fireworks when the fighters square up for real in the ring next month.

BBC: Rogan and Harrison trade verbals

Then the Heat landed a swift knockout punch.

NPR: Heat Take Off Late, Top Bucks 98-86 For 2-0 Lead

Neither candidate landed a knockout punch.

CNN: latimes.com: In many voters' minds, debate fails in the drama department