Glenn Dorsey Glenn Jamon Dorsey ( born August 1 , 1985 ) is an American football nose tackle for the San Francisco 49ers of the National Football League ( NFL ) . He played college football for Louisiana State University ( LSU ) , received All - American honors twice , and was recognized as the top college defensive player . He was drafted by the Kansas City Chiefs with the fifth overall pick in the 2008 NFL Draft . Early years . Dorsey was born in Gonzales , Louisiana . He attended East Ascension High School in Gonzales , where he was rated among the nation ' s top defensive linemen and one of the top three prospects in the state . He was named Louisiana ’ s 4A Defensive Player of the Year and a first - team 4A all - state selection . During his junior year , Dorsey had more than 100 tackles , and 12 sacks . As a senior he missed three games due to an ankle injury , and finished the season with 43 tackles , two sacks and one forced fumble . Considered a four - star recruit by " Rivals . com " , Dorsey was listed as the No . 5 defensive tackle prospect in the nation in 2004 . Dorsey committed to Louisiana State on the eve of his junior season . College career . Dorsey attended Louisiana State University , and played for coach Nick Saban and coach Les Miles ' LSU Tigers football teams from 2004 to 2007 . In 2004 as a true freshman , he started in 3 out of 12 games . On his first collegiate snap he recovered a fumble against Oregon State . He finished the year with 18 tackles . In 2005 , he started in 1 out of 13 games . He was among LSU ' s 4 - player rotation at defensive tackle which included Claude Wroten and Kyle Williams . He finished the season with 28 tackles and 3 sacks . In 2006 , Dorsey was named to the 2006 All - America n team and was All - SEC . He finished the season as the Tigers ’ third - leading tackler with 64 stops , including 8 . 5 for losses and three sacks . Dorsey was named the SEC Defensive Lineman of the Week twice during the season . In 2007 , Dorsey started 13 of 14 games recording 69 tackles , 7 sacks , 12 . 5 tackles for loss , three passes defensed , and a forced fumble . He was also named the SEC Defensive Player of the Week twice during the season . Following the 2007 season , he was recognized as a unanimous first - team All - American . He also finished ninth in the 2007 voting for the Heisman Trophy , receiving more votes than any other defensive player in the nation . In addition , Dorsey was awarded the Bronko Nagurski Trophy , the Outland Trophy , the Lott Trophy and the Lombardi Award , becoming the only player to have won all four awards . Dorsey was a member of LSU ' s 2007 BCS Championship team . He was a key component in LSU ’ s drive to the BCS national title despite playing the second half of the season with knee and tailbone injuries . Professional career . 2008 NFL Draft . Prior to the draft some NFL teams expressed concern over a lingering stress fracture Dorsey sustained in 2006 . At the NFL Combine Dorsey spent nearly ten hours getting examined at an Indianapolis hospital . Kansas City Chiefs . Dorsey was drafted by the Kansas City Chiefs fifth overall in the 2008 NFL Draft . On July 26 , 2008 , he signed a five - year , $ 51 million contract with $ 23 million guaranteed . On November 8 he recorded his first career sack against San Diego Chargers quarterback Philip Rivers . He finished his rookie season with 46 tackles and one sack . With the Chiefs shifting to a 3 - 4 defense under new head coach Todd Haley , Dorsey has switched positions to accommodate the scheme change , and he now plays defensive end . Dorsey started 14 of 15 games during the 2009 season and had 54 tackles and one sack . In 2010 he started all 16 games and had 69 tackles and two sacks . In 2011 Dorsey had 62 tackles , but no sacks . San Francisco 49ers . On March 13 , 2013 , Dorsey signed a two - year deal with the San Francisco 49ers . Dorsey was expected to be a reserve , but following the injury to starting nose tackle Ian Williams in week two Dorsey took over the starting job .