Alex Oxlade-Chamberlainwho was signed from Southampton for £12 million initial payment which could rise to £15 million with "add-ons" made his Arsenal FC debut on August 28, 2011, in the 8–2 defeat at Manchester United, as a 62nd minute substitute for Francis Coquelin, thus becoming the 150th player to represent ArsenalFC in the English Premier League (EPL).
On September 20, 2011, Oxlade-Chamberlain scored his first goal for ArsenalFC in the 58th minute of a Carling Cup match against Shrewsbury Town, with a drive from 25 yards. Arsenal FC won 3–1.
When he was younger, Alex Oxlade-Chamberlain now of Arsenal FC and the Three Lions of England was offered a trial at rugby club London Irish, but didn't attend as football was his main aim.
Alex Oxlade-Chamberlain set a new record with his eighth-minute strike as he became the youngest Englishman in Arsenal FC’s history to score in the UEFA Champions League, beating team-mates Jack Wilshere and Theo Walcott in the process, as The Gunners defeated Olympiakos 2-1 in an entertaining evening at The Emirates.