The Tennessee Titans on Monday released veteran cornerback Perrish Cox, the team announced.
Cox totaled three interceptions, 37 tackles and 11 passes defended in 11 games this year.
The 29-year-old spent the 2012, 2013 and 2014 seasons with the 49ers, starting 14 of his 40 games and tallying five interceptions, 22 passes defended, 66 tackles and two fumble recoveries.
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Cox played in 24 games over the past two seasons with the Titans, making 22 starts.
To take his place, the Titans promoted cornerback Kalan Reed from the practice squad.