Mercilus (biceps) was activated off injured reserve Friday, Matt Schneidman of The Athletic reports.

As expected, Mercilus will be available for Saturday's divisional matchup with the 49ers. However, it remains unclear what kind of role the veteran pass rusher will have. He was initially expected to be out for the remainder of the season after sustaining a biceps injury in mid-November, but he's made an improbable recovery. The Packers are also getting Za'Darius Smith (back) back for the playoffs. In corresponding moves, Green Bay released Isaac Yiadom and Jack Heflin.

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