debut the following week in a friendly against Lincoln City, scoring his first goal for the club in a 4–1 win. He scored his second pre-season goal against Arsenal in the Emirates Cup on 1 August. Murphy made his competitive debut for the club on 28 July 2010, coming on as a second half substitute in a 0–3 away defeat to Braga in a third-round UEFA Champions League qualifying match. He came off the bench to make his Scottish Premier League debut in a 4–0 victory over St Mirren on 22 August 2010. The following week, Murphy scored his first goal for Celtic, netting the match-winner from the penalty spot in a 1–0 victory over Motherwell on 29 August. He scored his second goal for the club again from the penalty spot away to Kilmarnock on 19 September, helping the team to a 1–2 away win. On 1 May 2011, Murphy scored his first goal at Celtic Park in a 4–1 victory against Dundee United. He made 21 appearances during his first season at Celtic, scoring 3 goals. Return to Ipswich Town Murphy returned to Ipswich on a season-long loan on 25 August 2011. He made his first appearance of the season on 27 August, starting in a 2–1 home win over Leeds United at Portman Road. He scored his first goal of the season in a 2–3 loss to Reading on 26 November. He made 34 appearances during his second loan spell with the club, scoring 4 goals. On 30 August 2012, Murphy signed for Ipswich Town on a season-long loan. He made his first appearance following his return to the club on 1 September, in a 2–2 draw with Huddersfield Town. He scored his first goal of the season on 2 October, netting in a 1–1 draw with Brighton & Hove Albion. He went on to make 40 appearances in all competitions over the course of the 2012–13 season, scoring 7 goals, before returning to Celtic at the end of the season. On 7 June 2013, Murphy agreed a two-year deal with Ipswich, finally making his move permanent after several loan spells with the club. He made his first appearance for the club following his permanent move to Suffolk on 3 August, in a 1–2 away loss to Reading. His first goal of the season came on 17 September 2013, netting in a 2–1 win over Yeovil Town.