SEATTLE (AP) The Seattle Seahawks have released veteran cornerback Will Blackmon as part of the team's final roster cuts to reach the 53-man limit.

Seattle made the roster moves on Saturday, but there is still at least one move to come when running back Fred Jackson signs his one-year contract with the team. The sides agreed to terms on the deal on Friday.

Blackmon was a surprise decision as it appeared he was in line to be the Seahawks starting nickel cornerback. The Seahawks kept Marcus Burley and rookie Tye Smith, with one likely filling that role.

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Seattle also placed backup running back Robert Turbin on injured reserve, part of the reason for signing Jackson. Turbin suffered a significant high-ankle sprain in Seattle's third preseason game against San Diego. Also done for the season is defensive tackle Jesse Williams, placed on the non-football illness list as he continues to recover from kidney cancer surgery.

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