At 31 years old, Blake Sims has this physical status:
Sims played for the first time in his senior season in 2014 after losing to Jake Coker for the first time in 2010. He threw for 445 yards against Florida on September 20, 2014, the second most in school history behind Scott Hunter's 484 in 1969. Sims tied for the most passing yards in Alabama on December 6, 2014, beating A. J. McCarron for the first time. He went for 3,487 yards, 28 touchdowns, and 10 interceptions in 14 starts. He failed in the semifinals to Ohio State, which later won the championship.
Sims was not drafted in the 2015 NFL Draft, converting him into a free agent. As a running back, he was given the opportunity to try out for the Green Bay Packers and the Washington Redskins. He was not offered a contract by either team.
Sims was signed by the Toronto Argonauts of the Canadian Football League on May 28, 2015 and then released on June 7, 2015.
Sims was signed by the Saskatchewan Roughriders of the Canadian Football League on July 29, 2015. He was cut from the active roster for one game on September 15, 2015. Kevin Glenn was traded by the Roughriders to the Montreal Alouettes on October 14, 2015, and Sims was recalled to replace Glenn. He did not appear in any Roughriders games and was announced on December 15, 2015.
Sims left North America for Australia in July 2016 to continue his professional football career with the Wollongong Devils of the National Gridiron League.
Sims was signed to the Falcons' practice squad on September 13, 2016. He was released on September 23.
Sims was signed to the Tampa Bay Buccaneers' practice squad on December 28, 2016. On January 2, 2017, he signed a Buccaneers reserve/future contract. On August 28, 2017, he was released as a result of his cancellation.
Sims was assigned to the Birmingham Iron of the Alliance of American Football following his release by the Buccaneers. He was retained by the Iron with their second-round pick in the league's quarterback draft on November 27. On February 27, 2019, he was put on injured reserve and then released from the wounded reserve on April 1, 2019.
Sims joined the Frisco Fighters of the Indoor Football League on February 27, 2022. Sims will retire from professional football on August 25, 2022.