New England Patriots defensive tackle Christian Barmore (90) reacts during the first half against the Baltimore Ravens at Gillette Stadium. Paul Rutherford-USA TODAY Sports

The Patriots are adding a key piece to their defense, but they’ve lost a notable player on the other side of the ball. According to ESPN’s Mike Reiss (via Twitter), the Patriots have activated defensive tackle Christian Barmore from IR. To make room on the roster, New England has placed offensive lineman Isaiah Wynn on IR.

Barmore has been sidelined with a knee issue since mid-October. He returned to practice earlier this week, and he’ll now rejoin a defensive line just in time for a playoff push.

The 2021 second-round pick had a standout rookie campaign for New England, earning PFWA All-Rookie Team honors after finishing with 46 tackles and nine QB hits. He got into six games this season before suffering his injury, collecting 15 tackles and one sack. Pro Football Focus has graded him as a middle-of-the-road interior defender in each of his two NFL seasons, but they gave him above-average ratings for his pass-rushing skills.

Wynn, a 2018 first-round pick, has had an inconsistent five years in New England. After missing his entire rookie campaign, he started 33 of his 34 appearances over the next three years, and he graded out as a top-35 offensive tackle in each of those seasons (including an 11th-place finish in 2020). This year, he’s bounced around the offensive line, moving from left tackle to right tackle while losing playing time in the process. He even spent some time as offensive guard before suffering a foot injury.

The offensive lineman has been sidelined since Week 11, and with his placement on IR, he can’t be activated to the active roster until at least the start of the playoffs. Wynn will be a free agent following the season.

The Patriots have also promoted linebacker Jamie Collins from the practice squad, according to Reiss. The veteran has spent the majority of the season on New England’s practice squad.

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