The competition for New Orleans' third running back spot could get more intense in the next few days. Saints coach Sean Payton said Sunday they were pursuing a replacement for Lynell Hamilton, who suffered a torn ACL on Wednesday in a joint practice with the New England Patriots. Hamilton's injury left the Saints with only two experienced running backs in Pierre Thomas and Reggie Bush. Read more: http://sports.espn.go.com/nfl/trainingcamp10/news/story?id=5466153