Jang Seong-won (Korean: 장성원; born 17 June 1997) is a South Korean football midfielder, who plays for Daegu FC in the K League 1.
Born on 17 June 1997, Jang played his youth football for Hannam University.
He transferred to Daegu FC in January 2018,[1] and made his debut for the club on 8 August 2018, playing against Yangpyeong in a Korean FA Cup match.
[2] He played his first K League 1 match on 30 September 2018, against the Pohang Steelers.
[3] Daegu FC