After graduating from Miami Beach Senior High School in 1997, Johnson attended Langston University but did not play football.In 1997 he transferred to Santa Monica College, a community college in Santa Monica, California. Houshmandzadeh, he led his team to an 11–1 season and a victory over Notre Dame in the Fiesta Bowl that year.Jackson admitted that Johnson wants to "try his hand" at coaching.
Johnson had what was statistically the least productive season of his career, catching 15 passes for 276 yards and 1 touchdown.
Johnson had his own segment on Sports Soup titled "Child, Please".
During the 2010-2011 NFL season, he and teammate Terrell Owens teamed up for a talk show, The T.
He spent the entire 2015 CFL season on team suspension.
Following the season, Johnson was not offered a new contract by the Alouettes and became a free agent on February 9, 2016.