Offensive players from the SEC have taken home four of the last six Heisman Trophies, but the foundation for success in America's toughest football conference is still defense.
Alabama has shown this with its title teams in three of the last four seasons, but it isn't just the Crimson Tide whose identity is "D."
Four SEC team finished in the top 11 in total defense last season, and four of the top five defenses in 2011 hailed from the SEC.
How do the defensive units stack up after spring practice? Our post-spring rankings are in this slideshow.