Nelson was placed on injured reserve by the Lions on Thursday.
Nelson (ankle) has been ruled out for the remainder of Sunday's game against the Falcons. Dave Birkett of the Detroit Free Press reports.
Nelson (ankle) is questionable to return Sunday against the Falcons.
Nelson was carted off the field Sunday, Lindsey Thiry of ESPN.com reports.
Nelson (calf) was a full participant in the Lions' practice Wednesday.
Nelson (calf) is listed as inactive for Sunday's game against the Bears.
Nelson (calf) has been ruled out for Sunday's game against the Packers, Tim Twentyman of the Lions' official site reports.
Nelson (calf) is out for Sunday's game against the Dolphins, Tim Twentyman of the Lions' official site reports.
Nelson (calf) has been ruled out for Sunday's matchup against the Cowboys.
Nelson (calf) has been ruled out for Sunday's matchup against the Patriots.