Theo Walcott Factfile
Key dates in the England and Arsenal's star's life
1989: Born March 16, Middlesex.
2004: Breaks into England Under-17 squad, scoring five times in 11 appearances.
September - Aged 15 years and 175 days becomes Southampton's youngest ever reserve player.
2005: August 6 - Makes Coca-Cola Championship debut against Wolves aged 16 years and 143 days.
October 18 - Scores first senior goal in 2-1 defeat at Leeds.
2006: January 20 - Joins Arsenal for an initial fee of £5million, rising to a possible £12million, becoming the most expensive 16-year-old in the history of British football.
May 8 - Named in England's World Cup party despite not having made a first-team appearance for Arsenal.
May 30 - Becomes youngest England international when introduced as a substitute in a friendly against Hungary aged 17 years and 75 days, beating Wayne Rooney's previous record.
June - Travels to Germany but fails to feature in Sven-Goran Eriksson's team.
August 15 - Makes his debut for England Under-21s against Moldova, scoring within three minutes of coming on as a substitute.
August 19 - Makes Arsenal debut as a 73rd-minute substitute in 1-1 Premiership draw with Aston Villa.
2007: February 24 - Puts Arsenal ahead in Carling Cup final against Chelsea with his first goal for the club, but the Gunners are beaten 2-1.
2008: September 7 - Makes first England start in the 2-0 win against Andorra in Barcelona.
September 11 - Scores a sensational hat-trick as England run out 4-1 winners against Croatia in Zagreb.
May 8 - Commits his long-term future to Arsenal by agreeing a new contract extension.
2010: March 3 - A poor performance in England's 3-1 win over Egypt attracts stinging criticism from Chris Waddle, who says Walcott does not have "a football brain" and he "doesn't understand the game".
May 11 - Named in Fabio Capello's provisional 30-man World Cup squad.
June 1 - Omitted from final 23-man squad.
August - Scores first hat-trick of his club career in 6-0 home win over promoted Blackpool.
2012: May 16 - Included in Roy Hodgson's 23-man England squad for Euro 2012.
June 15 - Comes off the bench to score one and set up another as England come from behind to beat Sweden 3-2. England qualify from Group D but crash out on penalties to Italy in quarter-final.
December 31 - Scores his first Premier League hat-trick of the season and provides two assists as Arsenal thrash Newcastle 7-3.
2013: January 18 - Signs a new long-term contract with Arsenal.
2014: January 4 - Attracts criticism for gesturing towards Tottenham fans as he is carried off the pitch with an injury during the 2-0 FA Cup third round win over Spurs.
January 6 - The FA confirm that they will take no action against Walcott but later that day it is confirmed that he suffered an anterior cruciate ligament injury to the left knee and he will miss the rest of the season and the World Cup in Brazil.