The 2011-13 period marked a selfless final chapter for Ji-sung Park at Old Trafford, defined by his legendary work ethic and tactical intelligence as a vital component of Sir Alex Ferguson’s squad. Synonymous with his "Three-Lungs" reputation, this era was highlighted by his clinical strike in the historic 8-2 victory over Arsenal and his iconic masterclass against AC Milan, where his tireless marking of Andrea Pirlo remains a gold standard for defensive excellence. Departing for QPR after seven trophy-laden years, Park left a nostalgic legacy as one of the club's most respected big-game players and a true pioneer of Asian football.