Running back Harvey Unga, who has yet to appear in a regular-season game, is back with the Bears after being reinstated from the reserveleft squad list Monday.
Unga played in the preseason, but was placed on the left squad list on Sept. 3, 2011 when he was excused from training camp for personal reasons.
The former star at BYU was selected in the 2010 supplemental draft and spent his rookie season on injured reserve. At 6-foot, 237 pounds, Unga could serve as a fullback for Matt Forte, Kahlil Bell and Michael Bush.
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He had 27 yards on nine carries in preseason action last year.