The Stars and Stripes are out...
Bradley identified Black Stars' strike Asamoah Gyan as the difference between the two sides.
"Gyan caused us trouble and got the winner," Bradley told Eurosport post-match. "Physically, he is a real handful, and at the end of the day, that's the area that took care of things.
"At the moment, it is a stinging, tough defeat."
Bradley added: "We knew that Ghana was a good team yet tonight, we didn't get the job done." he concluded.
Ghana advance to the quarter-finals, where they will take on Uruguay.
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