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WASHINGTON (Reuters) - The Washington Redskins have signed Trent Williams, the fourth overall draft pick from April's NFL Draft, to a long-term contract after a one-day holdout, the team said on Friday.

Terms of the deal for the left tackle were not disclosed but local media reported the six-year contract was worth $60 million with $37.5 million guaranteed.

Williams, who became the highest 2010 draft selection to sign a contract, is projected to be a starter at tackle, the Redskins said on their website (www.redskins.com).

The top three choices -- quarterback Sam Bradford (St. Louis) and defensive tackles Ndamukong Suh (Detroit) and Gerald McCoy (Tampa Bay) -- remained unsigned.

(Writing by Gene Cherry in Raleigh, North Carolina; Editing by Frank Pingue)