Career
He was signed by the Detroit Lions as an undrafted free agent in 2009. He played college football at Florida State. In his senior year at Pahokee High School, Smith led Pahokee to the state football title and rushed for 276 yards and three touchdowns in the championship game, finishing with 2,814 yards and 44 touchdowns on the season.
During his four-year high school playing career he compiled over 6000 rushing yards.
Smith was ranked as the number 25 player overall by Rivals.com. Smith was voted the Most Valuable Player of the Nike Camp and while there recorded an extremely fast 40-yard dash time of 4.25.
He played in the CaliFlorida Bowl and was named the offensive Most Valuable Player. Smith was also on the school"s track team, where he competed as a sprinter. He also spent a part of the spring with Florida State"s track team
He finished fifth in the 60-meter dash at the 2006 Administrative Committee on Company-ordination Championships, with a personal-best time of 6.83 seconds.
During his freshman year at Florida State in 2005, Smith saw action in nine games, playing behind Lorenzo Booker and Leon Washington. He carried the ball 36 times for 188 yards (52 avg) and three touchdowns, and was third on team behind Booker and Washington in carries, rushing yards, and yards per game. Smith ended his career with 2,253 rushing yards and 26 touchdowns.
2009 NFL Combine
Detroit Lions
After going undrafted in the 2009 NFL Draft, Smith attended a Detroit Lions minicamp on a tryout basis in early May.
He was signed by the Lions as an undrafted free agent on May 8, 2009 and released on July 27. Minnesota Vikings
Smith was signed by the Minnesota Vikings on August 5, 2009 after the team waived wide receiver Aundrae Allison and was released by the team on September 1.
Houston Texans
Smith was signed to the Houston Texans practice squad on September 24. Atlanta Falcons
Smith was signed to the Atlanta Falcons" practice squad on October 21, 2009 after the team waived quarterback Doctorate. J. Shockley.
After his contract expired following the season, the Falcons re-signed Smith to a future contract on January 4, 2010.
Smith has been known mostly as a special teams player while in Atlanta but has done well with his limited carries. In Week 11 of 2013, Smith rushed for 88 yards and a touchdown against the Tampa Bay Buccaneers. Antone Smith also impressed during Week 13 of the 2013 when he rushed for over 50 yards and a touchdown against the Buffalo Bills.
During the first week of the 2014 NFL Season against the New Orleans Saints Smith had 3 touches for a total of 61 yards, one of which was a 54-yard touchdown reception from QB Matt Ryan.
During week 11 of the 2014 NFL season against the Carolina Panthers Smith broke his leg covering a punt ending his 2014 season. On March 10, 2015, Smith re-signed with the Falcons.
On September 5, 2015, Smith was released by the Falcons with an injury settlement. Chicago Bears
On October 12, 2015 Smith signed with the Chicago Bears.
On December 23, 2015 Smith was waived.