As the final horn sounded and Maryland fans rushed the court to celebrate a rare victory over its bitter rival, weary Duke had just enough energy left to escape the mayhem for the safety of its locker room.

Seth Allen broke a tie by making two free throws with 2.8 seconds left, and the Terrapins stunned the second-ranked Blue Devils, 83-81, Saturday night in College Park, Md., to end a six-game skid in the series.