2012 ACC postseason top 25 football players: No. 7 Sylvester Williams Posted Feb 15, 2013 While at UNC, Sylvester Williams established himself as one of the country’s best interior defensive linemen and graduated in December. He was ranked among the top 50 players in the country in tackles for losses. He played through an ankle sprain midway through the season and still ended the year on a positive note. (ESPN.com)