Washington Redskins The Washington Redskins signed Crompton to their practice squad on September 4, 2011. On January 3, 2012, Crompton signed a futures contract with the Redskins. On August 27, he was released by the team. Two days later, Crompton was re-signed by the Redskins. Crompton was released again on August 31, 2012, for final cuts before the start of the 2012 season. Edmonton Eskimos On May 14, 2013, Crompton signed with the Edmonton Eskimos of the Canadian Football League. Crompton made appearances in seven games during the 2013 CFL season for the Eskimos; only receiving significant playing time in one of those seven games. Montreal Alouettes On August 22, 2014, he played his first game for the Alouettes in relief of Alex Brink, completing 18 for 29 passes for 266 yards in a 24–16 loss to the Winnipeg Blue Bombers. Despite the loss, Crompton received praise for his strong play. Crompton played the remaining 11 regular-season games and led the Alouettes from a 1–7 start to a record of 9–9 and a playoff berth. During the 2014 CFL season, Crompton completed 179 passes on 308 attempts (58.1% accuracy), for 2,482 yards, with 11 touchdowns and eight interceptions (passer rating of 85.2). Crompton led the Alouettes to a dominant 50–17 Eastern Semi-final victory over the BC Lions, but was unable to overcome the divisional champion Hamilton Tiger-Cats in the Eastern Final. Crompton entered the Alouettes 2015 CFL Training Camp as the starting quarterback. Crompton had a rough start to the 2015 CFL season: On opening night, he completed just 5-of-17 pass attempts for 51 yards with one touchdown and one interception. He sustained a shoulder injury during the game and was unable to finish the contest. Due to multiple injuries throughout the 2015 campaign Crompton only played in 3 games. Crompton did not make an appearance for the Alouettes during the 2016 season. On April 4, 2017, Crompton was released by the Alouettes. Crompton has since retired from professional football. Statistics Coaching career Toronto Argonauts On August 18, 2019, Crompton joined the Toronto Argonauts (CFL) as an offensive coach to assist offensive coordinator Jacques Chapdelaine. He spent the remainder of the 2019 season with the Argonauts, but was not retained following a head coaching change for 2020. Bishop's Gaiters On January 18, 2022, it was announced that Crompton had joined the Bishop's Gaiters as the team's offensive coordinator and quarterbacks