[1] After being named Scout Team Player of the Year while redshirting in 2007, Campbell played in 23 games during his first two seasons and totaled 18 tackles.

[1] Campbell became a full-time starter at safety as a senior in 2011, opening all 13 contests and recording 71 tackles and two interceptions in his way to being named an honorable mention All-Pac-12.

[1] Prior to the 2012 NFL Draft, Campbell ran a 4.51 40-yard dash and posted a 38-inch vertical leap at Cal's Pro Day.

[6] As a rookie, he was inactive for the first 11 regular season contests of the year, but ended up starting four of the final five games at strong safety due to an injury to Charles Godfrey.

[7] The Panthers won each of his starts, ending the season on a four-game winning streak as Campbell finished his rookie campaign with 12 tackled and a pass defensed.

[8] In 2013, Campbell lost a competition for the Panthers' starting strong safety job to Mike Mitchell during the preseason and eventually landed on injured reserve with a leg injury.

[10] On November 11, he was promoted to the active roster to replace waived safety Jordan Kovacs prior to the Dolphins' Monday Night Football meeting with the Tampa Bay Buccaneers.