Davis was rated the number one wide receiver in Louisiana and a national blue chipper as a senior at O.P. Walker High School. In his final year he caught 82 passes for 1,171 yards and 16 touchdowns leading his school to the 4A state championship game.
He was named an All-American by SuperPrep and ranked the No. 12 wide receiver in the country by Rivals.com. The Orlando Sentinel named Davis as a member of the All-Southern Team, he also made The Times-Picayune's Top 25 Blue-Chip list and Shreveport Times ' Top 20.
Davis enrolled in LSU in 2003. He was forced to compete for game time with an extremely talented Tigers receiving corp that helped lead LSU to a BCS National Championship. He caught 7 passes for 63 yards, most of which came in LSU's 49-10 victory over Louisiana Tech.
In Davis' sophomore year the Tigers failed to repeat their success of 2003. In spite of this Davis emerged as the Tiger's receiving leader with 43 catches for 659 yards. He scored his first touchdown in the Tigers 24-7 win over Vanderbilt.
Davis played in 11 of the Tigers games in 2005, starting 5. He ranked third on the team with 35 receptions, for 559 yards and 2 touchdowns. The high point of his season came in the Peach Bowl where he caught 5 passes for 99 yards and a touchdown in a win over Miami.