After rising to prominence with Southampton during the 2010–11 season aged 17, he signed for Arsenal in August 2011. Scoring twice in his first three matches for the club, Oxlade-Chamberlain became the youngest English goalscorer in UEFA Champions League history and also claimed a regular place in the England under-21 team. He signed for Arsenal's Premier League rivals Liverpool in August 2017.
Oxlade-Chamberlain made his debut for the senior England team on 26 May 2012 in a 1–0 win against Norway in a friendly. Following this, he received a surprise call-up to the England squad for UEFA Euro 2012, becoming the second youngest player ever to represent England in the European Championships behind Wayne Rooney.
Born in Portsmouth, Hampshire, Oxlade-Chamberlain attended the independent St John's College in Southsea, Portsmouth. He grew up as an Arsenal supporter.
Oxlade-Chamberlain joined the Southampton Academy at the age of seven. On 2 March 2010, he made his first-team debut for Southampton, at 16 years 199 days, coming off the bench in a 5–0 victory over Huddersfield Town and became the club's second youngest ever appearance maker behind Theo Walcott. Oxlade-Chamberlain appeared as an 82nd-minute substitute for Jason Puncheon on 8 May 2010 in the final match of the season against Southend United. At the beginning of the 2010–11 season, Oxlade-Chamberlain made his first competitive start on 10 August against AFC Bournemouth in the first round of the League Cup. During the match, he scored the second goal of Southampton's 2–0 victory, his first senior goal.
On 20 August 2010, shortly after his 17th birthday, Oxlade-Chamberlain signed his first professional contract lasting for three years. His first league start came in a 2–0 loss at home to Rochdale on 4 September 2010. His first league goal came in a 2–1 victory over Oldham Athletic on 23 October 2010, which proved to be the match winner. He scored two more goals and also got an assist in a 4–0 win over Dagenham & Redbridge on 2 November 2010, when he was voted Man of the Match in a league match for the first time.
Oxlade-Chamberlain finished the season with nine goals as Southampton were promoted to the Championship; he was named in the PFA League One Team of the Year for the 2010–11 season. He was subsequently the subject of transfer speculation and in June his father, Mark Chamberlain, stated he was eager for his son to join Arsenal "as soon as possible" to "continue his development".
On 8 August 2011, it was announced that Oxlade-Chamberlain had signed for Premier League club Arsenal. Although neither club involved revealed details of the contractual arrangements, press sources indicated that the fee was a £12 million initial payment which could rise to £15 million with "add-ons".
On 28 August 2011, he made his Arsenal debut in the 8–2 defeat away to Manchester United, as a 62nd-minute substitute for Francis Coquelin, thus becoming the 150th player to represent Arsenal in the Premier League. On 20 September 2011, Oxlade-Chamberlain scored his first goal for Arsenal in the 58th minute of a League Cup match against Shrewsbury Town, with a drive from 25 yards. Arsenal won 3–1.
On 28 September 2011, Oxlade-Chamberlain scored the opening goal in the eighth minute of his UEFA Champions League debut against Greek team Olympiacos, running diagonally onto an Alex Song long pass and past several defenders before finishing into the corner of the goal. In so doing, he became the youngest Englishman to score in the Champions League, surpassing teammate Theo Walcott's record.
Oxlade-Chamberlain started his first Premier League match for Arsenal in a 2–1 defeat to Manchester United at the Emirates Stadium on 22 January 2012, contributing an assist to a Robin van Persie goal. Arsène Wenger replaced him with Andrey Arshavin in the 78th minute, with the score at 1–1. Not only did Arsenal fans boo the decision to take Oxlade-Chamberlain off, Van Persie also remonstrated with the manager. On 4 February 2012, Oxlade-Chamberlain celebrated his first two Premier League goals in a home match against Blackburn Rovers which finished in a 7–1 victory to Arsenal. Following this match, Wenger praised Oxlade-Chamberlain for his fast development.
After the second leg of the Champions League second round against Milan, Oxlade-Chamberlain earned many plaudits for his impressive run of form, and for his display against strong European opposition; he was described by Marco van Basten as a "gem", while then-Arsenal captain Robin van Persie stated Oxlade-Chamberlain was the future of both Arsenal and England.
At the end of his first season in the Premier League, Oxlade-Chamberlain was nominated for PFA Young Player of the Year; he was the youngest player on the shortlist and he eventually lost out to Tottenham Hotspur's Kyle Walker, four years his senior.
Oxlade-Chamberlain scored his first goal of the 2012–13 season from 25 yards out in a 6–1 home victory over Coventry City in the League Cup.
On 19 December 2012, it was announced that Oxlade-Chamberlain, along with teammates Aaron Ramsey, Kieran Gibbs, Jack Wilshere and Carl Jenkinson, signed a new long term contract with Arsenal. Oxlade-Chamberlain scored his only Premier League goal of the 2012–13 season in a 7–3 home win against Newcastle United.
On the opening day of the 2013–14 season, Oxlade-Chamberlain assisted Olivier Giroud's goal in a 3–1 defeat at home to Aston Villa, however he came off injured and it was later revealed he would be out for between six weeks and three months, missing England's remaining World Cup qualifiers against Poland and Montenegro.
Despite not playing for Arsenal since picking up the injury, Oxlade-Chamberlain was still nominated for the Golden Boy Award 2013 in recognition of his performances earlier in the year for England and Arsenal.
On 2 February, Oxlade-Chamberlain scored his first two goals of the season in Arsenal's 2–0 win over Crystal Palace. Oxlade-Chamberlain missed the last few weeks of the season, including the 2014 FA Cup Final, after picking up a groin injury.
Oxlade-Chamberlain began the season by winning the 2014 FA Community Shield with Arsenal beating Manchester City 3–0 at Wembley. On 27 September, he scored in the North London derby in a 1–1 draw against Tottenham. On 4 November, he scored to put Arsenal 3–0 up against RSC Anderlecht in the UEFA Champions League, although the match eventually finished 3–3. He also scored in the round of 16 match against Monaco in February. Two matches later, he was injured in a 2–1 win against Manchester United in the FA Cup and had to be withdrawn just after half-time. It was later confirmed that he would be out for three to four weeks due to the hamstring injury. On 30 May 2015, Oxlade-Chamberlain came on as a substitute in the 2015 FA Cup Final and set up Olivier Giroud to make it 4–0; the final score against Aston Villa at Wembley.
On 2 August 2015, Oxlade-Chamberlain scored the only goal in a 1–0 victory over Chelsea in the Community Shield. His only league goal that season came at AFC Bournemouth, the first goal he scored for Arsenal in a league match away from home.
On 23 February 2016, he suffered a serious knee injury in a 2–0 home defeat by Barcelona in the Champions League, which was initially expected to prevent him playing for up to eight weeks. A further injury in May during training prevented his return for the rest of the season, including the summer UEFA Euro 2016 tournament.
Oxlade-Chamberlain started on the bench for Arsenal's opening day defeat to Liverpool, however Oxlade-Chamberlain replaced the injured Alex Iwobi to score Arsenal's second goal in a 3–4 defeat. Oxlade-Chamberlain also created an assist for Olivier Giroud's last minute equalizer at Old Trafford as Arsenal sealed a 1–1 draw with Manchester United. Oxlade-Chamberlain also scored a goal against West Ham United and created an assist for a goal from Alexis Sánchez in Arsenal's first away match at the Olympic Stadium, where they won 5–1. He scored three times in Arsenal's 2016–17 EFL Cup campaign where they reached the quarter-finals of the tournament.
On 23 April, Oxlade-Chamberlain won the man of the Match Award in the FA Cup Semi-Final against Manchester City, having provided an assist for Nacho Monreal to score an equaliser. This was his second match in a new wing-back role. He also provided assists for both goals in a 2–0 win in the home fixture against Manchester United on 7 May.
On 31 August 2017, Oxlade-Chamberlain signed a five-year contract with Arsenal's Premier League rivals Liverpool for a £35 million fee. On 9 September 2017, Oxlade-Chamberlain made his debut for Liverpool coming on as a substitute in a 5–0 loss to Manchester City.
Oxlade-Chamberlain was called up to the England Under-18 squad for the match against Poland which took place on 16 November 2010 at Adams Park. England won the match 3–0 and Oxlade-Chamberlain played the first 45 minutes before he was substituted.
He was called up to the England Under-19 squad to face Germany on 8 February 2011, but on 2 February he was promoted into the England under-21 team for a friendly match away to Italy on 8 February. In the match, he came on as a 60th-minute substitute, replacing Henri Lansbury. Shortly after his introduction, he showed a great turn of pace to create a chance as he raced past the Italian full-back and hit the byline, but no England player could reach his cross. In turn, he had a chance from a cross by Josh McEachran, but could only hit a weak shot at the goalkeeper. England lost the match 1–0 with the Italians scoring from a penalty two minutes from time.
Oxlade-Chamberlain made his first start for the Under-21s against Azerbaijan on 1 September 2011 and claimed two assists in a lively performance. He also made an impressive cameo performance against Israel on 5 September, coming on in the second half to claim three assists (including winning a penalty) to push England from a 1–0 deficit to an impressive 4–1 comeback victory. A month later, he scored a hat-trick against Iceland as England won 3–0 in Reykjavík. On 10 November 2011, Oxlade-Chamberlain put in another man of the match performance as the under-21s again trounced Iceland, this time 5–0, to remain top of Group 8. On 29 February 2012, he netted a late penalty as England made certain of at least a play-off spot for the 2013 UEFA European Under-21 Championship with a 4–0 victory over Belgium.
On 16 May 2012, Oxlade-Chamberlain was called up to the 23-man senior England squad for UEFA Euro 2012, to be held in Poland and Ukraine. He made his debut for the senior England team on 26 May 2012 in a 1–0 win against Norway in a warm-up match, coming on as a substitute for Ashley Young in the second half. He made his first senior start for England on 2 June playing 66 minutes before being replaced by Theo Walcott in a 1–0 win against Belgium at Wembley, another warm-up match, and England's final match before the tournament. On 11 June, he made his major international tournament debut when he started in England's opening match of the Euro 2012 tournament against France.
On 12 October 2012, Oxlade-Chamberlain scored his first senior international goal, in a 5–0 victory over San Marino. He scored again in the return match against San Marino on 22 March 2013, which England won 8–0.
On 2 June 2013, he scored against Brazil in the official opening of the refurbished Maracanã Stadium, with the match finishing 2–2. He came on as a second-half substitute and scored on a half-volley to bring the score to 1–1.
Oxlade-Chamberlain is the son of former Stoke City, Portsmouth and England international player Mark Chamberlain. His uncle, Neville Chamberlain, was also a professional footballer, as is his younger brother, Christian, who currently plays for Oxford City.
Oxlade-Chamberlain attended St John's College, Portsmouth. The Sun revealed that Oxlade-Chamberlain nearly chose rugby union over football when he was offered a trial at London Irish. Oxlade-Chamberlain played rugby as a scrum half or full back.
My senior school didn't play football. It was a rugby and cricket school and as I was on a sports scholarship, I was forced to play rugby. I played scrum-half or full-back and I was all right at it. I got a trial for London Irish but couldn't do it because Southampton wouldn't let me.
Oxlade-Chamberlain was also an avid cricketer with him playing as a wicketkeeper, bowler and opening batsman with south east Hampshire. He was offered trials as a wicketkeeper batsman with Hampshire, but declined because it conflicted with his youth footballing duties.
In February 2017, Oxlade-Chamberlain was confirmed to be dating singer Perrie Edwards of the girl group Little Mix.As of match played 13 September 2017
As of match played 4 September 2017
As of match played 4 September 2017. England score listed first, score column indicates score after each Oxlade-Chamberlain goal.
SouthamptonFootball League One runner-up: 2010–11
ArsenalFA Cup: 2013–14, 2014–15, 2016–17
FA Community Shield: 2014, 2015, 2017
PFA Team of the Year (League One): 2010–11
Sports Journalists' Association: Peter Wilson Award – 2012