Terrell McClain**

Started 12 games at defensive tackle as a rookie last year. ... First NFL season was cut short by a late-season knee injury. ... The third-round pick was a first-team All-Big East selection after a stellar senior year at South Florida.

Sione Fua

Started 11 games at nose tackle as a rookie in 2011, but season was cut short by a hamstring injury. ... Selected in the third round out of Stanford, where he produced 80 tackles, 16 tackles for loss and nine sacks. ... Was a second-team All-Pac-10 choice as a senior.

Andre Neblett

Suspended for the first four games of the 2012 regular season for violating the NFL policy for performance enhancing substances. ... Played in 12 games with four starts last season. ... Posted 21 tackles, 2.5 sacks and two fumble recoveries. ... Signed as an undrafted rookie free agent by Carolina in 2010 – the only undrafted rookie free agent to make the opening day roster that year.

Frank Kearse

Played in six games with four starts as a rookie nose tackle for Carolina in 2011. ... Originally a seventh-round draft choice of the Dolphins. ... Finished college career at Alabama A&M with 129 tackles, 32 tackles for loss, six sacks and six quarterback pressures.

Ogemdi Nwagbuo

Appeared in eight total games as a member of the Panthers and Chargers in 2011. ... Spent first two years in San Diego before signing with Carolina late last season. ... Played final two collegiate seasons at Michigan State after attending Southwestern College for three years.

ROOKIES