Ever see a chick in a thong knock another chick out on her ass with one punch?!
Well, good news ... it finally happened during a Legends Football League game.
The bad ass with the iron fist is Amanda Hogan -- a defensive back for the Omaha Heart who just got burned for a TD by the Pittsburgh Rebellion.
For some reason, injured Pittsburgh RB Sonia Osselborn -- leg brace and all -- came limping over to get in Hogan's face ... and that's when Hogan unleashed the fury.
The Omaha slugger uncorked a straight right, planting a disoriented Osselborn square on her butt.
It's violence meets sexy meets athleticism.
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