Smith was born in Pahokee, Florida. He played quarterback and cornerback at Pahokee High School, and was runner up for the state Player of the Year award as a senior after leading the school to a 13-1 record and the Class 2B state championship. He earned first-team all-state honors as a senior cornerback, totaling 27 tackles, four interceptions and one sack. On offense, he threw for 2,400 yards and 32 touchdowns while also rushing for 640 yards and six scores as a senior. He also started on the school's basketball team.
College career
Smith attended Wake Forest University, where he played for coach Jim Grobe's Wake Forest Demon Deacons football team from 2004 to 2008. Smith redshirted as a true freshman in 2004. As a redshirt freshman in 2005, Smith started all 11 games and finished the season with 60 tackles, three interceptions, two sacks, 12 pass breakups and one forced fumble. He received first-team Freshman All-America honors from CollegeFootballNews.com, ESPN.com and Scout.com. In 2006, the sophomore played 14 games with three starts, registering 48 tackles, three interceptions, four sacks, 11 pass breakups and one forced fumble. As a junior in 2007, Smith started all 13 games as a junior for the demon Deacons and had 44 tackles, eight interceptions, three sacks, 18 pass breakups and four forced fumbles and returned three of the interceptions for touchdowns. He tied for first in the nation with a school-record eight interceptions and was first-team All-Atlantic Coast Conference selection and received second-team All-America honors from Walter Camp. In 2008 Smith started all 13 games as a senior for Wake Forest, totaling 37 tackles, seven interceptions, 20 pass breakups and two forced fumbles and tied for first in the nation in both interceptions and pass breakups. He was a first-team All-ACC selection and a consensus first-team All-American. He was also named one of five finalists for the Bronko Nagurski Trophy. He continues to hold the ACC record for career interceptions, and broke the record previously held by Dre' Bly of North Carolina in the 2008 Eagle Bank Bowl.
Professional career
Pre-draft
Denver Broncos
The Broncos selected Smith in the 2nd round in the 2009 NFL Draft. The Broncos traded their first round pick in 2010 in order to select him. This trade, among other poor decisions, led to the firing of coach Josh McDaniels. The pick Denver traded to Seattle was used to select Pro BowlerEarl Thomas. On July 26, 2009, Smith signed a four-year, $4.08 million contract with a $2.15 million signing bonus. The contract allowed Smith to earn $750,000 through a one-time playing-time incentive that was guaranteed for injury. In addition, if Smith won Defensive Rookie of the Year in 2009, he would have received $100,000. The contract also included a $50,000 workout bonus in 2011 and a $130,000 workout bonus in 2012. His base salary was $310,000 in 2009, $395,000 in 2010, $480,000 in 2011, and $565,000 in 2012.
Detroit Lions
On September 4, 2010, Smith was traded to the Detroit Lions for TEDan Gronkowski. He had his first career interception on September 26 against the Minnesota Vikings. The following week, he beat Green Bay Packers receiver Greg Jennings on a jump ball for his second career interception. In a home game against the St. Louis Rams on October 10, Smith returned an interception 42 yards for a touchdown in the Lions 44-6 win. Against the Washington Redskins on October 30, Smith had a big interception late in the game to help the Lions comeback to beat Washington. He led the Lions in interceptions for the 2010 season. On August 31, 2012, the Lions released Smith as one of their final roster cuts. He was re-signed on October 18 due to injuries to Jacob Lacey and Bill Bentley. In Week 7 against the Chicago Bears, Smith was fined $15,750 for horse-collar tackling Brandon Marshall.
