The US clawed back one point on Saturday morning but trailed Europe by 11-5 going into the singles at Oakland Hills.
Tiger Woods won the first match against Paul Casey but Sergio Garcia countered for Europe with a 3&2 victory over Phil Mickelson in the second game out.
It fell to Colin Montgomerie, who was in the side as a wildcard following a slump in form, in the sixth match to write another chapter in his epic Ryder Cup career as he holed the winning putt against David Toms.
The united European side ended up with a crushing 18½-9½ victory and the ice-cool Langer was hailed a hero.
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