Sir Alex Ferguson’s time in charge of Manchester United wouldn’t have garnered many regrets, such was his unrivalled success during his time at Old Trafford.
But one of the biggest moments he has rued for some time involved a player some might not have expected to have featured so heavily during the Scot's tenure.
Park Ji-sung played an important role for United during his time at the club – the South Korean was regularly given the responsibility of carrying out specific tasks by his manager in the biggest games, including man-marking Andrea Pirlo against AC Milan.
