Lansanah has started in 22 games with the Tampa Bay Buccaneers over the past two seasons. In the last two seasons, he has 137 total tackles, 2.5 sacks, 12 passes defensed, three interceptions, two touchdowns, and one forced fumble.
The linebacker began his career in 2008 with the Green Bay Packers.He appeared in five games and recorded two tackles on the season. After 2008, Lansanah did not appear on another 53-man roster until 2013 with the Jets. Between 2009 and 2013, Lansanah spent time with the Miami Dolphins and Detroit Lions in the NFL AND the Hartford Colonials and Las Legas Locomotives of the UFL, In 2013, Lansanah signed a futures deal with the Jets, then coached by Rex Ryan.
On September 7, Lansanah was promoted to the Jets' 53-man roster. He didn't appear in any games with the team and was released just two days later. New York placed Lansanah on their practice squad before he was claimed by the Buccaneers in December. He appeared in one game with the Buccaneers in 2013, but did not record any tackles.
In the last two seasons, Lansanah, 30, has made the most of his opportunity. He fared well against the run in Tampa Bay and contributed on special teams.