Carter, 34, has 517 career tackles, 80.5 sacks and 18 forced fumbles.
He had 19 tackles in 2012 with 2.5 sacks and a forced fumble.
Carter had four tackles and two sacks in nine games last season for the Patriots.
In 2011, Carter had 10 sacks and two forced fumbles with the Patriots.
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Aaron Wilson covers the Ravens for The Baltimore Sun
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This story originally appeared on Nationalfootballpost.com
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