Ross Wallace (born 23 May 1985) is a Scottish former professional footballer who played as a winger. He has previously played for Celtic, Sunderland, Preston North End, Burnley, Sheffield Wednesday, Fleetwood Town, and once played in a full international match for Scotland. After retiring from professional football, Wallace re–joined Burnley, where he is currently working as an assistant coach of the youth team. Club career Celtic Born in Dundee, Wallace started his career with Celtic and progressed through the club's youth system. He made his Celtic debut, coming on as a 68th-minute substitute, in a 4–2 win against Inverness CT in the third round of the Scottish League Cup on 27 October 2002. With one appearance made in the 2002–03 season, Wallace signed his first professional contract with the club on 23 June 2003 on a four-year deal. A pacy left winger, Wallace made his UEFA Champions League debut against FBK Kaunas in the second leg of the UEFA Champions League second round, coming on as an 80th-minute substitute, in a 1–0 win to advance to the next round. It wasn't until on 1 November 2003 when he made his first league appearance for Celtic, coming on as an 81st-minute substitute, in a 5–0 win against Kilmarnock. This was followed up by scoring his first goal for the club, in a 5–0 win over Dunfermline Athletic on 8 November 2003. Whilst clearly a skillful player, Wallace made only a few more first team appearances that season, as Alan Thompson remained the first-choice wide-left player at Celtic, but his contributions to the club saw them win the league after winning 1–0 against Kilmarnock on 18 April 2004. Following a 1–1 draw against Motherwell on 12 May 2004, he was attacked by the Celtic's supporters; prompting a police investigation. Wallace picked up his first silverware with the club, coming on as a second-half substitute for Stephen Pearson in Celtic's 3–1 win over Dunfermline in the Scottish Cup. At the end of the 2003–04 season, he went on to make fourteen appearances and scoring once in all competitions. In the 2004–05 season, Wallace began to receive more playing time for Celtic, playing in the midfield position, rotating in and out of the starting line–up. After being sidelined with a hamstring injury, he scored a hat-trick on his return, in an 8–1 rout of Falkirk in a Scottish League Cup tie on 21 September