[1] Langford made his professional debut on 8 September 2012, winning a four-round points decision against Steve Spence.
On 4 July 2015, Langford won his first regional championship—the vacant WBO Inter-Continental middleweight title—by stopping Julio Cesar Avalos in four rounds.
[2] A breakout year in 2016 saw him first win the vacant Commonwealth middleweight title on 12 March, scoring a unanimous decision over Lewis Taylor.
[4] On 26 November, Langford won the then-vacant British middleweight title with a split decision against Sam Sheedy.
[7] On April 27, 2019, Langford fought Lerrone Richards for the vacant Commonwealth super middleweight championship.