The result is also the Americans' first 4-0 win in an opening session since Arnold Palmer captained the side in 1975.
Result: United States lead Europe 4-0 in Ryder Cup after opening foursomes
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Europe finds itself on the receiving end of a whitewash in the opening foursomes session of the Ryder Cup as the USA take a 4-0 lead at Hazeltine National.
Sullivan, Pieters handed Ryder Cup debut in foursomes>
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