Johnson was 6 feet tall in high school and 6 feet 4 inches in 10 the class. He attended Sandy Creek High School in Tyrone, Georgia and was a student and a Letterman in football. In football , he had three starts as a wide receiver.
In his career at Georgia Tech wearing number 21, made Johnson a case for being the greatest Georgia Tech receiver of all time. Johnson had 178 receptions in his career, good for 2,927 yards and 28 touchdowns. Johnson got a pass with one hand with 31 seconds left in regulation in the end zone for what looked like a match-winning touchdown. But the judge ruled Gene Steratore capture incomplete and said that Johnson was not maintained in the possession of the ball through the entire process of the catch.
After the 2010 season, Johnson was the recipient of the Lions / Detroit Sports Broadcasters Association / ProFootball Writers Association (Detroit Chapter) Media-Friendly Good Guy Award......,
