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One of the top free agent cornerbacks is off the market.

The Packers and cornerback Sam Shields have reached a four-year, $39 million contract, a league source told PFT’s Mike Florio on Saturday.

Shields will receive a $12.5 million signing bonus, and his 2014 compensation is $15 million. By the second season, Shields is slated to have made $21 million, and the deal is worth $30 million through 2016.

The 26-year-old Shields recorded 61 tackles, defended 16 passes and intercepted four passes in 2013.

Shields was PFT’s No. 15-ranked free agent and the No. 5-ranked player at a strong group of prospective free agents at his position. His departure doesn’t hurt the leverage of New England’s Aqib Talib, Indianapolis’ Vontae Davis, Tennessee’s Alterraun Verner and Denver’s Dominique Rodgers-Cromartie.