Smith attended Statesville High School. As a senior, he received All-state honors at defensive tackle in football and also in baseball. He accepted a football scholarship from East Carolina University. As a sophomore, he was a backup defensive lineman and posted 2 interceptions. As a junior, he was converted into an inside linebacker and became a starter, leading the team with 116 tackles. As a senior, he collected 118 tackles and 2 interceptions. Smith finished his college career with 294 tackles, 4 interceptions and 2 fumble recoveries. In 2003, he was inducted into the East Carolina University Athletics Hall of Fame.
Professional career
Atlanta Falcons
Smith was signed as an undrafted free agent by the Atlanta Falcons after the 1988 NFL Draft on May 2. On August 29, he was placed on the injured reserve list with an elbow injury. He was activated on November 5, but only played in 3 games. On December 10, he was placed on the injured reserve list for the last 2 weeks of the season.
On February 28, 1989, he signed with the Pittsburgh Steelers as a Plan B free agent. He broke his right foot during preseason and was placed on the injured reserve list on August 29.
Although he didn't have many regular season games, Jimmy Johnson and Dave Wannstedt remembered his playing days at East Carolina University, and signed him as a Plan Bfree agent on March 3, 1990. He played mainly on special teams. He replaced an injured Ken Norton, Jr. at weakside linebacker in the 15th game against the Philadelphia Eagles. That performance earned him his first career start and game MVP honors, in the team's next game against the Atlanta Falcons, when he had 11 tackles and recovered one fumble. He finished the season with 22 special teams tackles, 23 defensive tackles, 2 fumble recovered and one forced fumble. In 1991, he started 12 games at weakside linebacker, although he contracted hepatitis, which forced the team to place him on injured reserve for 3 games, and have Dixon Edwards replace him in the starting lineup. He registered 71 tackles, one tackle for loss, 3 quarterback pressures, one pass defensed and one forced fumble. In 1992, he started 13 games at strongside linebacker, posting 69 tackles, 3 tackles for loss, 13 special teams tackles, one sack and one and one quearterback pressure. The Cowboys won Super Bowl XXVII with him as a starter and contributing to the goal-line stand, that stopped the Buffalo Bills inside the Cowboys 1-yard line. On August 17, 1993, after defensive coordinator Dave Wannstedt became the head coach for the Chicago Bears, he traded for Smith, linebacker Barry Minter and a sixth-round draft pick, in exchange for linebacker John Roper, tight endKelly Blackwell and safetyMarkus Paul.
Chicago Bears
In 1993, he started 13 games at strongside linebacker and had 83 tackles, including 49 solo. In 1994, he played in 12 games, he entered the season as the starter at strongside linebacker, but was limited with knee and ankle injuries that affected his production, finishing with 48 tackles, one sack and one forced fumble. He suffered a knee injury in the season opener against the Tampa Bay Buccaneers and missed the next 2 games. He sprained his ankle in the fifth game against the Buffalo Bills and missed the next 2 games. He was replaced in the starting lineup with Ron Cox. On March 1995, the Bears signed him to a new two-year contract. He posted 111 tackles, 4 sacks, one forced fumble and one fumble recovery. He had 14 tackles against the Jacksonville Jaguars. He had 10 tackles and one fumble recovery against the Pittsburgh Steelers. He was awarded the Ed Block courage award at the end of the season. In 1996, he tallied 89 tackles, 2 fumble recoveries, one sack and one pass defensed. He had 14 tackles against the Kansas City Chiefs. He had 10 tackles and one fumble recovery against the Tampa Bay Buccaneers. He missed the game against the San Diego Chargers with an ankle injury.
Dallas Cowboys (second stint)
On July 18, 1997, he signed as a free agent with the Dallas Cowboys. His preseason performance allowed the team to release Alan Campos, keeping only 5 linebackers, with Smith backing up all three linebacker positions, in order to make room for cornerbackDeion Sanders under the salary cap. He appeared in 14 games with 3 starts, missing 2 games with a broken jaw. He posted 22 tackles, one sack, 14 special teams tackles. He had 5 special teams tackles against the Carolina Panthers. He wasn't re-signed after the season.
New Orleans Saints
On September 9, 1998, he signed as a free agent with the New Orleans Saints. He appeared in 15 games as a backup, making 4 defensive tackles, 4 special teams tackles and one forced fumble. In 1999, he appeared in 12 games, recording 8 special teams tackles, one forced fumble and no defensive tackles. On December 16, 1999, he was placed on the injured reserve list. He wasn't re-signed after the season.
Personal life
Smith is the owner of JPC Bail Bonds. He was the football head coach of Piedmont Christian High School and has held many football training camps for the youth of Iredell County, North Carolina. He is married to Maria Robinson-Smith they have 5 children and 9 grandchildren.