Martino played for the North Greenville Crusaders from 2010 to 2013. He recorded 296 receptions for 3,766 yards and 26 touchdowns while scoring 5 rushing touchdowns in 48 career games. He was also named the Conference Carolinas Track Athlete of the Year for the 2013 indoor season. His track coach was Michael Bayne.
Professional career
Atlanta Falcons
Martino was signed by the Atlanta Falcons on May 13, 2014 after going undrafted in the 2014 NFL Draft. He was released by the Falcons on August 29, 2014 and signed to the team's practice squad on September 1, 2014. He made his NFL debut on October 19, 2014 against the Baltimore Ravens. Martino was released by the Falcons on November 21, 2014. He was re-signed to the Falcons' practice squad on November 25, 2014. He was released by the Falcons on August 7, 2015.
Philadelphia Eagles
Martino signed with the Philadelphia Eagles on August 10, 2015. He was released by the Eagles on September 5 and signed to the team's practice squad on September 6, 2015. He was released by the team on May 2, 2016.
Tampa Bay Buccaneers
Martino was signed by the Tampa Bay Buccaneers on May 11, 2016. On September 3, 2016, he was released by the Buccaneers as part of final roster cuts. The next day, he was signed to the Buccaneers' practice squad. On September 21, 2016, he was promoted to the active roster. He was released on October 3, 2016. He was re-signed to the practice squad on October 17, 2016. He was promoted back to the active roster on October 22, 2016. He caught his first touchdown pass against the Chicago Bears on November 13, 2016. On February 27, 2017, Martino signed a one-year contract tender with the Buccaneers. He was waived on September 2, 2017, and was signed to the Buccaneers' practice squad the next day. He was promoted to the active roster on November 8, 2017. He was waived on November 13, 2017 and was re-signed to the practice squad. He was promoted back to the active roster on November 17, 2017. On September 27, 2018, Martino was released by the Buccaneers. He was re-signed on October 13, 2018, but was released three days later.
Martino was traded to the Dallas Renegades in exchange for wide receiver Stacy Coley on January 12, 2020. Martino was placed on injured reserve on March 9, 2020. He had his contract terminated when the league suspended operations on April 10, 2020.