By Chris Emma–

(CBS) The Bears re-signed linebacker Christian Jones to a one-year deal Saturday in their latest move of this free agency period.

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Jones entered the NFL as an undrafted free agent in 2014 and is now set to play his fourth season. A starter of 15 games, he has become a key special teams player for the Bears.

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Jones, 26, has 170 tackles in three NFL seasons, including a career-best 86 in 2015 and 69 in 2014.

Chicago’s signing of cornerback Prince Amukamara was also made official Saturday, as a source confirmed on Friday. Amukamara is slated to be the Bears’ top cornerback.

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Chris Emma covers the Bears, Chicago’s sports scene and more for CBSChicago.com. Follow him on Twitter @CEmma670 and like his Facebook page.