
Thirty-two minutes into the 2011 Scottish Cup final at Hampden he hit a left-footed drive from 25 yards, the goal that opened Celtic's 3-0 win over Motherwell. The Scottish title followed in 2012, then Olympic bronze in London that August and the League Cup with Swansea City in 2013 after a club-record transfer, with 110 caps and the South Korea captaincy behind him. Career record: 110 caps and 10 goals for South Korea; club career at FC Seoul, Celtic, Swansea City A.F.C..
| 2006–2009 | FC Seoul |
| 2009–2012 | Celtic |
| 2012–2018 | Swansea City A.F.C. |
| 2013–2014 | Sunderland A.F.C. |
| 2018–2020 | Newcastle United |
| 2020–2020 | RCD Mallorca |
| 2020–2025 | FC Seoul |
| 2025–today | FC Pohang Steelers |
| South Korea | 110 caps, 10 goals |
South Korea legends whose careers overlapped Sung-yueng's
One rank above: Choi Soon-ho at #9.
One rank below: Kim Joo-sung at #11.
South Korea's editorial top five: Son Heung-min · Cha Bum-kun · Park Ji-sung · Hong Myung-bo · Kim Min-jae.