Landrum attended
Sweet Water High School. In 2009, as a
junior, he recorded 68
tackles and 12
sacks on defense and 974 rushing yards on offense. As a
senior, he helped lead his team to the 2010 state championship and was named the state championship game's
Most Valuable Player (MVP), a game in which he recorded seven tackles and a
fumble recovery on defense and an eight-yard rushing
touchdown on offense. He was named to the All-Southeast Regional team by
PrepStar. He was listed as the 10th overall recruit from
Alabama by
SuperPrep, 13th on the
Birmingham News list of the Alabama Super Senior, 17th overall on the
Mobile Press-Registers Elite 18, 22nd overall at
outside linebacker in the nation, and the 11th player overall in the state of Alabama by
Scout.com, 48th overall outside linebacker in the nation and 19th player overall in Alabama by
Rivals.com, and 105th overall outside linebacker in the nation by
ESPN.com and Scouts, Inc. ==College career==