Lake Forest, IL (SportsNetwork.com) - The Chicago Bears signed return man Marc Mariani to a two-year contract on Tuesday.

Mariani averaged 24.8 yards on 92 kickoff returns for Tennessee in 2010 and 2011. He also returned 73 punts for an average of 11.2 yards with two touchdowns during his two years with the Titans.

He earned a Pro Bowl nod after the 2010 season.

To make room for Mariani on the roster, the team waived safety Ahmad Dixon. He had four special teams tackles and a fumble recovery in five games for the Bears this season.