Sanborn completed his second year with the Bears, playing in 17 games, resulting in 66 tackles, 1.0 sacks and an interception.
Sanborn (ankle) is active Sunday against the Lions.
Sanborn (ankle) is listed as questionable for Sunday's game at Detroit.
Sanborn tallied eight tackles in the Bears' 30-13 loss to the Chargers on Sunday.
Sanborn may need to hold off Noah Sewell for the Bears' starting job at middle linebacker, Kevin Fishbain of The Athletic reports.
Sanborn, who was placed on injured reserve in December after suffering an ankle injury, is participating in training camp practices, Sean Hammond of the Daily Herald reports.
Sanborn ended the season with 64 tackles, two sacks and a forced fumble over 15 games played.
Chicago will place Sanborn (ankle) on injured reserve Tuesday, which will end his 2022 campaign, Kevin Fishbain of The Athletic reports.
Sanborn (ankle) has been downgraded to out for the remainder of Sunday's game against the Eagles.
Sanborn (ankle) is questionable to return to Sunday's game versus Philadelphia, Kevin Fishbain of The Athletic reports.