He played college football for the Oregon State Beavers before signing with the Denver Broncos as an undrafted free agent in 2005.

He signed with the Seattle Seahawks prior to the 2011 season, where he became a founding member of the Legion of Boom defense.

Browner was a Prep Star West All-Region and All-Valley Mission League selection at Sylmar High School (northern area of Los Angeles) as a senior.

As a junior, Browner played at James Monroe High School in North Hills, Los Angeles.

Browner was named to the Freshman All-America teams by the Football Writers Association and The Sporting News in 2003.

He ranked ninth in the nation with six interceptions and recorded 43 tackles (37 solo) with six pass breakups, two forced fumbles and three stops for losses as a redshirt freshman.

He helped the program weather the 2002 departures of Dennis Weathersby, Calvin Carlyle and Terrell Roberts.

[4] Despite this setback, Browner was added to the 2012 Pro Bowl roster as a replacement for an injured Carlos Rogers.

The suspension was later changed to reflect a substance abuse issue related to missing drug tests during the time Browner was unsigned by an NFL team and played football in the CFL, prior to the Seahawks contract.

[20] On April 17, 2016, Browner signed a one-year deal for the veteran minimum salary ($760,000) with his former team, the Seattle Seahawks,[21] reforming the original Legion of Boom.

[22] In 2018, Browner was a member of the Roadrunners led by retired quarterback Michael Vick as part of the American Flag Football League.

[27] On July 8, 2018, Browner was arrested by La Verne police for breaking and entering into the residence of a woman with whom he once had a relationship, and fleeing the scene after stealing a Rolex within the home.

[23] On December 4, 2018, Browner was sentenced to eight years in prison after pleading no contest to an attempted murder charge.