Hood attended Palo Duro High School in Amarillo, Texas, where he was a two-sport star in both football and track. In high school football, he earned All-District honors his junior and senior seasons. As a junior, he made 76 tackles, including 5.0 sacks and returned an interception for a touchdown. As a senior, he was named 3-4A Defensive Player of the Year after making 93 tackles, including 13.0 sacks, and scoring three defensive touchdowns.
In track & field, Hood was one of the states top performers in the throwing events. He got top-throws of 15.50 meters (50 ft 8in) in the shot put and 50.55 meters (165 ft 7in) in the discus throw.
Hood played college football at the University of Missouri. During his college career, he played defensive tackle. He finished with 170 tackles (98 solos), 15.5 sacks, 22.5 tackles for loss and 22 quarterback pressures. He also had five forced fumbles, recovering three.