Burris completed 55 of 99 passes (55.6 percent) for 589 yards with five touchdowns against five interceptions for Berlin in six games this NFLE season. With just four weeks remaining in the season, he will not return to the Thunder.
The Bears have Kordell Stewart cemented as their starter, while Chris Chandler is the likely backup with first-round pick Rex Grossman learning behind the veterans. Cory Sauter is currently on the roster, but is a long shot to make it past training camp.
The Bears claimed rookie free agent tight end Robert Johnson off waivers Tuesday. Johnson, a 6-6, 270 pounder out of Auburn, originally signed with Atlanta as an undrafted free agent but was waived injured by the Falcons.