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Manchester United Press Conference and Training Session

MANCHESTER, ENGLAND - SEPTEMBER 21: Sir Alex Ferguson of Manchester United speaks during a pre-match press conference at Carrington Training Ground on September 14 2007, in Manchester, England. (Photo by Matthew Peters/Manchester United via Getty Images)

Celebrating Alex Ferguson's glittering career

Manchester United manager Sir Alex Ferguson will retire at the end of the 2012-13 season after more than 26 years in charge, bringing to a close the most glittering managerial career in British soccer. The Premier League champions confirmed on May 8 that Ferguson, 71, would step aside following United's home game against West Bromwich Albion on May 19. Here's a look back at his glittering and award-winning career during which he won 49 trophies.