He was selected by the St. Louis Rams in the seventh round of the 2011 NFL draft.
According to his coaches opponents threw away from his side of the field and as a result he ended the season with only one interception.
[1] The previous season he made 40 tackles and recovered four fumbles and recorded one interception.
After spending his career as a backup, Nelson broke out as a senior, making 102 tackles, breaking up seven passes and intercepting two more.
[1] Nelson was selected with the 229th pick in the 2011 NFL draft by the St. Louis Rams.