Johnson was signed by the Seattle Seahawks as an undrafted free agent following the end of the 2011 NFL lockout.

[2] The Seahawks placed him on injured reserve on December 11, 2013, causing him to miss the last three games of the regular season and the team's playoff run and win in Super Bowl XLVIII.

[5] By the end of training camp, he was beat out of the starting strong safety position by Duke Ihenacho.

[6] In the Week 6 game against the New York Jets, he blocked a punt in the endzone, which was recovered by wide receiver Rashad Ross for a touchdown.

This biographical article relating to an American football defensive back born in the 1980s is a stub.