Before college, Franklin attended South Plantation High School in Fort Lauderdale, Florida. Franklin redshirted the 2013 season while playing for the Florida State Seminoles. The Seminoles won the 2014 BCS National Championship Game against the Auburn Tigers. He was the scout team quarterback mostly used to mirror what the Noles would deal with in Nick Marshall. Franklin saw limited action in 2014. He was a member of ACC champion 4×100 relay team at Florida State.

Franklin transferred to East Mississippi Community College after the 2014 season. At East Mississippi, Franklin served mostly as a backup quarterback to Wyatt Roberts, as the Lions won the MACJC North title. On October 22, 2015, Franklin scored six rushing touchdowns and one passing touchdown against Mississippi Delta, before the game was called off after a brawl broke out between both sides. The 2015 football season was documented in the Netflix series Last Chance U in 2016. On the year Franklin went 64-110 (58.2%) while throwing for 733 yards along with a 7-2 touchdown to interception ratio. He also added 451 yards on the ground on only 43 attempts giving him an average of 10.5 yards per carry on his way to 9 touchdowns.

Franklin enrolled at Auburn for his junior year, where he appeared in 12 games while making 1 start. In his 12 games he went 14-26 (53.8%) while throwing for 204 yards along with 1 touchdown. On the ground he added 430 yards on only 46 carries giving him an explosive average of 9.3 yards per carry, also adding 2 touchdowns. He grew increasingly unhappy with his role on the team and on March 8, 2017, ESPN reported he was moving to wide receiver for the 2017 season.

On August 15, 2017, he transferred to FAU to play for Lane Kiffin as a graduate transfer. In limited action as a gadget player he showed his pure speed and explosiveness. He had 16 rushes for 229 yards with an average of 14.3 yards per carry while rushing for 2 touchdowns. He also caught 7 balls for 95 yards and 1 touchdown while averaging 13.6 yards a catch. He also went 1-2 (50%) for 49 yards.

After going undrafted in the 2018 NFL Draft, Franklin attended the Chicago Bears rookie mini camp on a tryout basis as a defensive back. On May 14, 2018, Franklin was signed by the Bears as an undrafted free agent. On September 1, 2018, he was waived by the Bears. He was re-signed to the practice squad on September 27, but was released later that day. Two months later, on November 24, he returned to Chicago’s practice squad. He signed a reserve/future contract with the Bears on January 8, 2019. He was waived on August 31, 2019.

In October 2019, Franklin was drafted by the Dallas Renegades in the 2020 XFL Draft, but did not sign with the league.

On November 13, 2019, Franklin was signed to the Tampa Bay Buccaneers practice squad. He was promoted to the active roster on December 24, 2019, where he was listed as wide receiver.

Franklin was placed on injured reserve on August 23, 2020, after suffering a leg injury during training camp.