was an area we weren't comfortable with."

The versatile Harris, whom Saban called one of his top three linebackers last week, started working in earnest at the interior last week at the weakside (or "Will") spot that used to be occupied by Hightower. He has 16 games of experience with six career tackles.

"Jerrell has played this before, he actually plays it in nickel all the time," Saban said. "It's a little bit like Corey Reamer, when Dont'a got hurt he was an outside backer but he really was an inside backer. There's a lot more continuity in terms of the plays and repetitions in practice if you're an inside backer in practice."

Backing up the two interior spots, which are considered close to being interchangeable are junior Chris Jordan andon the first unit appeared to be at the wide receiver position opposite Julio Jones, listed as either Marquis Maze or Darius Hanks.

Michael Bowman was not listed on the depth chart -- he worked on the scout team Monday at tight end, where he recently switched from wide receiver - along with junior-college transfer Brandon Lewis, a defensive lineman, and interior linebacker Tana Patrick.

To give an indication of how tentative the depth chart is, 19 spots were listed as "or," meaning one player or another as competition will continue through the season.

Roughly three hours after it was released players were already in different spots during practice. For example, the second-unit offensive line was listed as, from left to right, Alfred McCullough (or Tyler Love), John Michael Boswell, David