|No. 99 Free Agent|
|Date of birth:March 5, 1977|
|Place of birth: Greensboro, North Carolina|
|Height: 6 ft 2 in (1.88 m)||Weight: 292 lb (132 kg)|
|Undrafted in 1999|
|Debuted in 2000 for the New Orleans Saints|
|Roster status: Unsigned free agent|
|Career highlights and awards|
|Stats at NFL.com|
Marques Lamont Douglas (pron.: //; born on March 5, 1977 in Greensboro, North Carolina) is a former American football defensive tackle and defensive end who played for five teams in the National Football League during an 11-year career. He was signed by the Baltimore Ravens as an undrafted free agent in 1999. He played college football at Howard.
Douglas played for the Ravens, New Orleans Saints, San Francisco 49ers, New York Jets and the Tennessee Titans. He also played for Rhein Fire, an NFL Europe team, and was on the roster of the Miami Dolphins and Tampa Bay Buccaneers.
He was signed as an undrafted free agent by the Baltimore Ravens in 1999, though he didn't see any playing time. He then played for the New Orleans Saints in 2000, active for one game. He then returned to the Ravens from 2001 through 2004. During his time with the Ravens, he started 32 games, becoming a full-time starter for the 2003 and 2004 seasons, and registered a total of 147 tackles, 12 sacks, and 3 forced fumbles.
San Francisco 49ers
He was then signed as an unrestricted free agent by the San Francisco 49ers in 2005. He was brought in by Mike Nolan to help the 49ers adjust into the 3-4 defensive scheme. Douglas led all defensive linemen in tackles behind the line of scrimmage his last year.
Tampa Bay Buccaneers
On March 13, 2008, the Tampa Bay Buccaneers signed Douglas to a four-year contract.
Third stint with Ravens
New York Jets
Douglas signed with the Miami Dolphins on July 23, 2010. He was cut on September 5, 2010.
- Hensley, Jamison. "Ravens sign Foxworth, lose Scott and Brown," The Baltimore Sun, Saturday, February 28, 2009.
- Jets Sign Douglas Yahoo Sports, March 14, 2009
-  TimesLeader.com, July 5, 2010