|No. 97 Baltimore Ravens|
|Date of birth: November 1, 1976 (1976-11-01) (age 33)|
|Place of birth: Wichita, Kansas|
|Height: 6 ft 0 in (1.83 m)||Weight: 315 lb (143 kg)|
|NFL Draft: 1999 / Round: 6 / Pick: 173|
|Debuted in 1999 for the Philadelphia Eagles|
|Roster status: Active|
|Career highlights and awards|
|Career NFL statistics as of Week 17, 2009|
|Stats at NFL.com|
Kelly Michael Gregg (born November 1, 1976) is an American football nose tackle for the Baltimore Ravens of the National Football League. He was drafted by the Cincinnati Bengals in the sixth round of the 1999 NFL Draft. He played college football at Oklahoma.
Gregg earned a Super Bowl ring as a member of the Ravens' practice squad in Super Bowl XXXV. He has also played for the Philadelphia Eagles.
Gregg attended Edmond Memorial High School in Edmond, Oklahoma and was a standout in football and wrestling. In wrestling, he was a three-time state champion, 1993-1994-1995 in the Heavyweight division. He was named wrestler of the year by the Daily Oklahoman in 1995.
In football, he was a two-time All-State selection and was named the City's Defensive Player of the Year by the Daily Oklahoman as a senior in 1994.
Named All-Big 12 first team as a Junior (1997) and Senior (1998), despite playing for teams with losing records in both seasons. Recorded 117 tackles during his senior season at Oklahoma in 1998, including a Big 12-leading and still-standing Sooner record of 24 tackles for loss. His 53 career tackles for loss still rank second all-time at OU. He also tallied nine sacks in 1998, which still ranks as the 5th best season by a Sooner. His 19 career sacks are seventh all-time for the Sooners. He led the Sooners in tackles his final two seasons with 117 (1998) and 98 (1997), becoming the first defensive lineman to do so in 30 years. He majored in sociology.
Gregg was drafted by the Cincinnati Bengals in the sixth round (173rd overall) of the 1999 NFL Draft. He was waived by the team on September 6 and re-signed to the practice squad on September 8.
On December 12, 1999, Gregg was signed to the active roster of the Philadelphia Eagles. He was waived on September 12, 2000.
Gregg was signed to the practice squad of the Baltimore Ravens on September 13, 2000. He earned a Super Bowl ring when the team beat the New York Giants in Super Bowl XXXV. The following offseason, Gregg recorded six sacks in NFL Europe as a member of the Rhein Fire.
On December 29, 2003, Gregg signed a five-year contract extension with the Ravens. He signed a four-year extension with the team on April 25, 2007.
Gregg was placed on season-ending injured reserve on October 8, 2008 after he underwent microfracture surgery on his left knee. The team signed defensive tackle Brandon McKinney to replace him on the roster.
Gregg returned in 2009 and put in a strong year. He had 63 tackles (46 solo) and 3 sacks.