Career
He played college football at San Jose State. He had 38 sacks his final two seasons at high school. He played college football at San Jose State.
In his Freshman season, He played in 12 games in which he 18 Tackles and 2 Sacks.
In his Sophomore season, He played and started in all 13 games and recorded 62 Tackles and 7.5 sacks. In his junior season of 2011, He played and started in all 12 games in which he recorded 73 Tackles and 9.5 sacks.
He was selected to the First-team All-Women's Army Corps defensive lineman. In his Senior season, 65 Tackles, a career high 13 sacks, 3 Forced fumbles and 2 Pass deflections.
On October 14, 2011, in a 28-27 victory over Hawaii nationally televised on Entertainment and Sports Programming Network, Johnson blocked an extra point and a field goal by Hawaii.
Duke Ihenacho returned the blocked extra point all the way to the Hawaii end zone for a two-point defensive conversion. He was selected to the first-team All-Women's Army Corps as defensive lineman after his Senior season on December 3, 2012. On December 6, 2012, He was selected to the second-team Capital One Academic All-America team
He finished his college career with a total of 218 Tackles, 32 Sacks, 3 Forced fumbles and 2 Pass deflections.
He was invited and played in the 2013 East-West Shrine Game on the west team and the 2013 Senior Bowl. Johnson graduated from San Jose State in 2013 with a Bachelor of Science degree in kinesiology.
Johnson was not selected in the 2013 NFL Draft. Following the draft, Johnson joined New York Jets rookie minicamp.
San Francisco 49ers
On July 30, 2013, the San Francisco 49ers signed linebacker Travis Johnson to a three-year deal.
The 49ers waived Johnson on August 31, 2013. Johnson had 6 tackles and 1 sack during the preseason.