Colvin attended Broad Ripple High School in Indianapolis. He earned Second Team All-State honors as a junior, and recorded a school-record 219 tackles as a senior. In that final season at Broad Ripple, Colvin earned honors as an All-Marion County Player, the Indianapolis NewsDefensive Player of the Year, an All-Metro Player, and was a First Team All-State selection. He also played basketball in high school. While at Purdue, Colvin was selected to the All-Big Ten teams in 1997 and 1998. The Boilermakers went 18-7 in his final two seasons in West Lafayette.
Professional career
Chicago Bears
Colvin was drafted by the Chicago Bears in the fourth round of the 1999 NFL Draft. He became the first Bear to post double-digit sacks in consecutive years, 2001–2002, since Richard Dent. Colvin was named to the Bears' All-Decade Defense team along with fellow linebackers Brian Urlacher and Lance Briggs.
First stint with Patriots
After playing for the Bears, Colvin was signed by the New England Patriots in 2003. Early in his first season with New England, Colvin suffered a shattered socket in his left hip. It took Colvin a year to recover, while the Patriots won back-to-back Super Bowls. Colvin did not start again until 2005, and in 2006, he was a full-time starter at outside linebacker for the Patriots. He was placed on injured reserve by the Patriots on November 27, 2007. On February 26, 2008, the Patriots released Colvin after he failed a physical with the team. He had one year left on his contract with a $5.5 million base salary.
Houston Texans
On June 16, 2008, Colvin signed with the Houston Texans. On August 29, 2008, the Texans released Colvin during final roster cuts.
Second stint with Patriots
Colvin was re-signed by the New England Patriots on December 3, 2008 after cornerbackJason Webster was placed on injured reserve.
Personal life
As a teenager, he worked at a concession stand in the RCA Dome in Indianapolis. Colvin and his wife Tiffany reside in Indianapolis. Colvin owns three UPS stores in the area, as well as a cupcake shop called "SweeTies Gourmet Treats". They also run youth NFL FLAG leagues and the Indy Nets Basketball Club. www.r59.com He and his wife have 4 children, Xavier, Nijah, Raven & Myles. His family attends New HorizonsChurch in Indianapolis pastored by Eric Wiggins.