Trifecta Challenge: Clean

Today’s Music: White Rabbits – Percussion Gun
Days Til Spring: 1!!!

Tomorrow is the first day of spring. So there’s that to look forward to. Especially for those of you about to slog through my latest entry in the Trifecta Challenge.
As always, the story must be between 33 and 333 words.
This weeks word must illustrate the 3rd definition of
clean (adjective)
c : observing the rules : fair (a clean fight)

As always, any criticisms or suggestions are welcome. I think there’s something off, but I can’t identify what.
And remember, if you help me get better at this, you’re helping yourself too!

Whose Is Bigger
They met on a field bigger than the average playground.
They circled each other, t-shirts drenched in sweat, fire blazing in their eyes.
There was a crowd – some cheering, some hiding their eyes, all of them waiting on the outcome.
One person stood, torn between watching and looking away. She compromised, her long auburn hair making a partial screen between her eyes and the drama unfolding.
One of the men moved. In the blink of an eye, he covered the ground to his opponent, fist lashing out.
The other man moved, even faster. Before the punch could connect, he whipped out his gun and squeezed the trigger.
The sharp retort pushed back the crowd.
The bullet dropped his opponent.

After the crowd had parted and the victor left with the girl, two men moved in to dispose of the body.
“What the hell was that?” asked the first. “That wasn’t a fair fight!”
“All’s fair in love and war” answered the other eruditely.
The first man thought about it for a moment.
“Then I guess he took him clean…”