[20] Gibbs made his Premier League debut against Tottenham Hotspur on 8 February 2009, coming on as a substitute for the injured Gaël Clichy.

[24] After an extended run in the first team in Clichy's absence, Gibbs made an appearance in the UEFA Champions League semi-final first leg away at Manchester United, which Arsenal lost 1–0.

[25] In the second leg, Gibbs made a costly slip when attempting to defend a cross and allowed Park Ji-sung to score a crucial away goal for United after only seven minutes.

[28][29] However, on 24 November 2009, Gibbs broke a metatarsal in his right foot in Arsenal's 2–0 UEFA Champions League victory over Standard Liège as a result of a lunge from Eliaquim Mangala, sidelining him for the rest of the season.

[30] Gibbs made his first start of the season and completed 90 minutes when he replaced Gaël Clichy at left back against Bolton on 11 September 2010.

[37] On 16 October 2011 in the 2–1 victory over Sunderland, Gibbs suffered a stomach problem five minutes into the second half and was replaced by André Santos.

[40] Gibbs made his first start since October against Milan in the first leg of the UEFA Champions League round of 16, although he played a fine match, Arsenal lost 4–0.

[46] On 19 December 2012, it was announced that Gibbs, along with teammates Alex Oxlade-Chamberlain, Carl Jenkinson, Aaron Ramsey and Jack Wilshere, signed a new long-term contract with Arsenal.

[47] He scored his first goal of the season on 6 January against Swansea City at the Liberty Stadium in the FA Cup with a spectacular volley inside the penalty area.

[50] He made substitute appearances against Reading and West Bromwich Albion, and he did start the second leg of their UEFA Champions League last 16 tie with Bayern Munich.

[54] On 21 August 2013, Gibbs scored the opening goal of a 3–0 win away to Fenerbahçe in the UEFA Champions League play-off round, from a Theo Walcott cross.

[57] Gibbs started in the 2014 FA Community Shield on 10 August, in which Arsenal beat Manchester City 3–0 at Wembley Stadium.

[58] On 23 October 2014, he scored his first goal of the season, an 89th-minute volleyed equaliser in a 2–1 win in a group stage match in the UEFA Champions League away at Anderlecht.

[69] On 23 March 2021, it was announced that Gibbs would join Major League Soccer side Inter Miami CF when his contract with West Brom expired in the summer.

[72][73][74] Gibbs was called up for the England U21 squad along with Arsenal teammate Theo Walcott for the 2009 UEFA European Under-21 Championship in Sweden.

He scored two goals in a pre-tournament friendly victory over Azerbaijan in a 7–0 rout at Stadium mk on 8 June 2009[75] and converted his penalty in the tournament semi-final against Sweden.

[81] After two injury affected seasons, Gibbs was rewarded for his good form and again called up to the England squad on 8 October 2013 by new manager Roy Hodgson.