GREEN BAY, Wis., Nov. 10 (UPI) --
Middle linebacker Nick Barnett
, the Green Bay Packers' top tackler, is out for the rest of the season with a torn knee ligament.
Barnett, who has a team high 44 tackles this season, was hurt while trying to tackle Vikings running back Adrian Peterson in the third quarter of the Packers' 28-27 loss at Minnesota Sunday.
Packers Coach Mike McCarthy said Monday Barnett will need surgery.
The sixth-year player led Green Bay in tackles four of his first five seasons.
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