AuburnSports.com, AuburnUndercover.com, Inside the Auburn Tigers and The Auburn Sports Blog reported the news first.
The 6-foot-2, 215-pound Landrum had offers from Alabama, Duke, Memphis and Tennessee, among others.
Landrum made 68 tackles last year, including 12 sacks. He also ran for 947 yards, earning first-team All-State recognition by the Alabama Sports Writers Association.
He is the Tigers' sixth commitment for 2011 and their first linebacker. Here's an updated commitment list:
- Angelo Blackson, DL, 6-5, 289, Bear, Del. (Red Lion Christian Academy)
- Reese Dismukes, C, 6-3, 272, Spanish Fort, Ala. (Spanish Fort High)
- Chris Landrum, LB, 6-2, 215, Sweet Water, Ala. (Sweet Water High)
- Izauea Lanier, DB, 6-1, 190, Gordo, Ala. (East Mississippi CC)
- Thomas O'Reilly, OL, 6-3, 315, Marietta, Ga. (Pope High)
- Anthony Swain, S, 6-3, 215, Gadsden, Ala. (Gadsden City High)