Terms of the agreement were not released.
Groves, who played the last two seasons with the Oakland Raiders and played in all 16 games last season, starting three, was signed by the Cardinals Thursday.
Groves, a second-round draft pick by the Jacksonville Jaguars in 2008, has recorded 95 tackles, 2 1/2 sacks, two interceptions, six passes defensed, three forced fumbles and two fumble recoveries during his 63-game career.
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