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The Bears announced Saturday that offensive lineman Nate Chandler has been placed on the reserve-retired list.

Chandler signed with the Bears last month. He had played 37 games, starting 19, with the Panthers from 2012-14. Chandler, 27, spent last season on the Panthers’ injured-reserve list after he re-injured knee he had surgically repaired in 2014.

The Panthers released Chandler in March. He started 11 games at right tackle in 2014 and eight games in 2013 while playing both guard and tackle. The Bears had signed Chandler over Jake Long after both worked out for the team, so it’s possible that the team will revisit the possibility of signing Long.

The announcement of Chandler’s retirement came at the same time the team announced that cornerback Charles “Peanut” Tillman had also been placed on reserve-retired. Tillman had used social media to announce his retirement early last week, then signed a one-day contract to retire as a member of the Bears on Friday.