A native of Theodore, Alabama, Mosley attended Theodore High School, where he was an All-American linebacker and finished as the school's all-time leading tackler with over 500 stops in his career.
A native of Theodore, Alabama, Mosley attended Theodore High School, where he played for the Theodore Bobcats high school football team. He was an All-American linebacker and finished as the school's all-time leading tackler with over 500 stops in his career.