Free agent cornerback Antoine Winfield agreed to a one-year contract with the Seattle Seahawks, a person familiar with the negotiations confirmed.

The Redskins had tried to sign Winfield, who was released by the Minnesota Vikings earlier this offseason.

Winfield told ESPN and the league-owned NFL Network that he would sign with Seattle. He joins Seattle’s two standout starting cornerbacks, Richard Sherman and Brandon Browner. Sherman wrote on Twitter that Seahawks fans should “please welcome the newest addition.”

Winfield visited Seattle earlier this week and within days, the Redskins seemed to fall behind in the chase to sign him. The Vikings remained in the bidding to re-sign him, but Winfield chose to join Sherman and Browner in what could be formidable secondary.

The Redskins, with only about $30,000 in available salary cap space, would have had to release a player or rework a contract or two to clear the cap room to add Winfield. They had the league’s 30th-ranked pass defense last season. The Redskins re-signed starting cornerback DeAngelo Hall after releasing him just before free agency. They have holdover starter Josh Wilson and signed a cornerback–E.J. Biggers, formerly of the Tampa Bay Buccaneers–in free agency.

But Winfield is the second high-profile veteran cornerback that the Redskins tried but failed to sign in free agency this offseason. They made an earlier attempt to add Aqib Talib. But he re-signed with the New England Patriots.