Roscrow played youth football for Swansea City, before joining Llantwit Major.
[3] Roscrow subsequently played for Neath, Llantwit Major and Pontardawe Town,[4] before signing for Cardiff Metropolitan University in 2014.
[9] In January 2021, Roscrow joined The New Saints on a three-and-a-half-year deal for an undisclosed, club record fee.
[16] On 20 March 2018, Roscrow made his Wales C debut against England C at Barry Town United's Jenner Park Stadium in a 3–2 defeat for the Welsh team.
[17] In the return fixture at Moor Lane, Salford, Roscrow scored Wales' second equaliser in a 2–2 draw.