• Outside linebacker enters his eighth season with Kansas City in 2013.

• Originally joined the Chiefs as the club's first-round pick (20th overall) in 2006.

• Spent his first three seasons as a defensive end before moving to an outside linebacker post in Kansas City's 3-4 defensive alignment in 2009.

• Has missed only two games since joining the club, starting 110 regular season contests (63 games at outside linebacker and 47 contests at defensive end).

• Has recorded 24 career forced fumbles, ranking third in team history behind LB Derrick Thomas (45) and DE Neil Smith (29).

• Owns 62.5 sacks to rank fourth in team history behind Thomas (126.5) , Smith (86.5) and DE Art Still (73.0).

• Earned back-to-back Pro Bowl selections following the 2011 and 2012 seasons.

• Was the recipient of the Chiefs prestigious Mack Lee Hill Award in 2006, an honor bestowed on Kansas City's top rookie or first-year player.

• Escaped from the war-torn African nation of Liberia when he was 10 years old, joining his father Henry, who was a chemistry and physics teacher in the United States.

• Led the AFC and finished second in the NFL with 14.5 sacks in 2010.

• Has started 110 career regular season contests, owning 430 tackles (328 solo), 62.5 sacks (-395.0 yards), 24 forced fumbles, four fumble recoveries, 104 QB pressures, one interception and 11 passes defensed.

• Has also started two playoff games, recording 13 tackles (10 solo), 2.0 sacks (-8.0 yards), two QB pressures, one forced fumble, one fumble recovery and one pass defensed.

Signed with Kansas City (8/4/11) ... Signed with Kansas City (7/28/06) ... Originally entered the NFL as the Chiefs first-round pick (20th overall) in the 2006 NFL Draft.

2012: Started 15 contests at left outside linebacker, recording 51 tackles (43 solo), including 13 for loss, 9.0 sacks (-57.0 yards), one forced fumble, 14 QB pressures and two passes defensed ... Was on the NFL Reserve/Suspended List for one contest ... Was on the NFL Reserve/Suspended List vs. Atlanta (9/9) ... Produced four tackles (three solo), including one for loss at Buffalo (9/16) ... Posted one QB pressure at New Orleans (9/23) ... Collected five solo tackles, including two for loss, a sack of QB Philip Rivers (-10.0 yards) and a QB pressure vs. San Diego (9/30) ... Grabbed six solo tackles, including two for loss, 2.0 sacks of QB Joe Flacco and three QB pressures vs. Baltimore (10/7). It was the 13th multi-sack game of his career ... Produced two solo tackles and a sack-and-strip (-10.0 yards) of QB Josh Freeman at Tampa Bay (10/14) ... Grabbed two solo tackles and a QB pressure vs. Oakland (10/28) ... Recorded nine tackles (six solo), including one for loss, a sack (-4.0 yards) of QB Philip Rivers, and a QB pressure at San Diego (11/1) ... Had two tackles (one solo), a QB pressure and a pass defensed at Pittsburgh (11/12) ... Posted five tackles (four solo), including two for loss, a sack (-6.0 yards) of QB Andy Dalton and a QB pressure vs. Cincinnati (11/18) ... Grabbed three solo tackles vs. Denver (11/25) ... Had three solo tackles, including one for loss and two QB pressures vs. Carolina (12/2) ... Grabbed four tackles (two solo), including two for loss, 2.0 sacks (-13.0 yards) of QB Brandon Weeden, two QB pressures and one pass defensed at Cleveland (12/9) ... Posted two solo tackles, including one for loss, at Oakland (12/16) ... Tallied two solo tackles, including one for loss, a sack (-5.0 yards) of QB Andrew Luck and a QB pressure vs. Indianapolis (12/23) ... Grabbed two solo tackles at Denver (12/30).

2011: Started 16 games at right outside linebacker ... Was named to his first Pro Bowl, joining with LB Derrick Johnson to become the first pair of linebackers in team history selected to the Pro Bowl in the same season since LBs Bobby Bell and Willie Lanier following the '72 season ... Recorded a career-best 83 tackles (68 solo), including 12.0 for loss and 12.0 sacks (-80.0 yards) ... His 12.0 sacks were second in the AFC and eighth in the NFL ... Also had a career-high 32 QB pressures and four forced fumbles ... Posted a career-high seven QB pressures at Oakland (10/23) ... Tied a career high with 3.0 sacks (-13.0 yards) vs. Green Bay (12/18). Also forced a Rodgers fumble and registered two QB pressures.

2010: Started 16 games at ROLB ... Was selected to the Pro Bowl as an injury replacement, but did not attend ... Had 50 tackles (31 solo), 6.5 tackles for loss, a career-high 14.5 sacks (-91.5 yards) and a team-high 19 QB pressures ... Also had four forced fumbles, two fumble recoveries and two passes defensed ... Led the AFC and was second in the NFL with 14.5 sacks ... His four forced fumbles tied for fourth in the AFC and tied for ninth in the NFL ... Tied a career high with 3.0 sacks (-15.0 yards) vs. San Francisco (9/26) to earn AFC Defensive Player of the Week accolades. Also forced a fumble and had three QB pressures ... Recorded eight tackles, 2.0 sacks, two QB pressures and one pass defensed in an AFC Wild Card Game vs. Baltimore (1/9/11). Also forced and recovered a fumble. His 2.0 sacks tied for the second-highest postseason game total in team history. Became the first member of the Chiefs to produce a sack and a fumble recovery in the same playoff game since DE Neil Smith at San Diego (1/2/93).

2009: Started 16 games at ROLB ... Had 66 tackles (35 solo) with 2.0 for loss, 15 QB pressures and a team-high four forced fumbles ... Named to the USA Today All-Joe Team ... His 8.5 sacks (-45.5 yards) were first on the team and 10th in the AFC ... His four forced fumbles tied for fourth in the AFC ... Was one of four Chiefs players to start all 16 games ... Tied a career high with 10 tackles (five solo) and established a career high with 3.0 sacks (-12.0 yards) vs. Denver (12/6). Tied a career high with two forced fumbles, giving him 15 career forced fumbles for the third-highest total in Chiefs history.

2008: Started 15 games, opening the season's first six contests at right defensive end before starting nine of the season's final 10 games at left defensive end ... Was inactive for one contest ... Totaled 55 tackles (44 solo), 3.0 sacks (-23.0 yards), eight QB pressures, three forced fumbles, one fumble recovery and one pass defensed ... Was inactive vs. New Orleans (11/16) with an ankle injury, snapping a streak of 41 consecutive starts.

2007: Started 16 games at left defensive end ... Recorded 60 tackles (52 solo) with 3.0 for loss, 7.5 sacks (-50.0 yards) and 12 QB pressures ... Also had three passes defensed and two forced fumbles ... Amassed 10 tackles and 1.0 sack at the New York Jets (12/30).

2006: Started 16 games at left defensive end ... Had 65 tackles (55 solo), 1.0 tackle for loss, four QB pressures, an INT, three passes defensed, six forced fumbles and a fumble recovery ... Recorded a team-high 8.0 sacks (-48.0 yards) ... Named the club's Mack Lee Hill Award winner ... Became the first rookie DE in Chiefs history to start every game since DEs Art Still and Sylvester Hicks both accomplished the feat in '78 ... His 8.0 sacks were the third-highest total by a rookie in Chiefs history and ranked fourth among NFL rookies ... Was third in the NFL with a team-high six forced fumbles ... His six forced fumbles were the most by a rookie in Chiefs history and tied for the third-highest single-season total in Chiefs history ... Amassed a career-high 10 tackles and forced two fumbles at Pittsburgh (10/15) ... Registered first career interception at San Diego (12/17) ... Started in an AFC Wild Card Game at Indianapolis (1/6/09), recorded five tackles (four solo).

Saw duty in 47 games (34 starts) at Penn State ... Recorded 179 tackles (84 solo), 36.0 stops for loss and 14.0 sacks (-87.0 yards) ... Also had three QB pressures, six passes defensed, one fumble recovery, two forced fumbles and an interception for five yards ... Opened all 12 games at defensive end as a senior in 2005 ... Totaled 65 tackles (27 solo), 17.0 tackles for loss and a team-high 11.0 sacks (-79.0 yards) ... Also had two QB pressures, four passes defensed and a forced fumble ... Was a consensus All-America selection and was named first-team All-Big Ten ... Named the Big Ten Defensive Lineman of the Year ... His 11.0 sacks led the conference and ranked eighth in the NCAA ... Recorded nine tackles and tied a school single-game record with 4.0 sacks vs. Wisconsin ... Started all 11 games at defensive end as a junior in 2004 ... Totaled 51 tackles (29 solo), 12.0 stops for loss and 2.0 sacks (-17.0 yards) ... Earned second-team All-Big Ten honors ... Appeared in 12 games, starting 11 games at defensive tackle in 2003 as a sophomore ... Tallied 53 tackles (23 solo), including 6.0 tackles for loss, a sack, a fumble recovery and one pass defensed ... Played in 12 games, recording 10 tackles (five solo) in 2002 ... Graduated with a degree in Journalism.

• Was a nominee for the 2001 New Jersey Gatorade Player of the Year for Teaneck High School in Teaneck, N.J.

• Collected 64 solo tackles, including 23.0 stops for loss and 8.0 sacks as a senior.

• Recorded 45 solo tackles, 24.0 stops for loss and 12.0 sacks his junior campaign.

• Also played basketball during prep career.

• Spends much of his free time writing and recording music and has a recording studio in his basement.

• Grew up playing street soccer in Liberia.

• Has a daughter, Sia (2).