[4] He made his Süper Lig debut in the starting line-up in which Kayserispor were beaten by Antalyaspor with 1–0 final score, on 16 September 2011.
[5] On 1 February 2021, Yokuşlu joined English club West Bromwich Albion on loan from Celta de Vigo, for the remainder of the 2020–21 season.
[8] On 18 July 2022, Yokuşlu returned to now EFL Championship club West Bromwich Albion on a three-year contract following his departure from Celta Vigo.
He scored "a beautifully judged chip over the stranded [goalkeeper] from 25 yards (23 m)" to complete the hosts' 2–1 defeat of Australia and progression to the last 16 of the competition.
[13] On 6 November 2015, Yokuşlu was selected for the Turkey national football team to play friendlies against Qatar and Greece respectively.