The team announced the move Tuesday.
Curry played two games after being activated from the physically unable to perform list. He committed two personal fouls in his first game and was on the field for just three defensive and five special-teams snaps last week against New Orleans.
Curry, the fourth overall pick by Seattle in the 2009 NFL draft, was acquired in a midseason trade last year for a seventh-round pick in 2012 and a conditional fifth-rounder in 2013.
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