LAKE FOREST, Ill. (AP) The Chicago Bears signed punter Spencer Lanning and waived defensive tackle Brandon Dunn on Saturday.

Punter Pat O'Donnell has a right knee injury and is questionable for the Bears' home game Sunday against Oakland.

Lanning appeared in 32 games in 2013-14 with Cleveland, punting 177 times for a 44.1-yard average and 38.6 net average.

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Dunn had six tackles in four games in two seasons with Chicago.