Mario Goetze celebrates the only goal scored in the match between Germany vs Argentina. © AP Pint-sized midfielder Mario Goetze wrote himself into German folklore by scoring the winning goal in Sunday’s World Cup final that earned his country’s fourth world title.The baby-faced 22-year-old’s superb chest and volley from an Andre Schuerrle cross on 113 minutes sealed Germany’s 1-0 extra-time win over Argentina at Rio de Janeiro’s Maracana Stadium.Goetze came on for veteran striker Miroslav Klose just before the start of extra-time and his 11th goal for Germany will go down in the history books as he made only his 35th appearance for ‘Die Mannschaft’.He picked up the man-of-the-match award in Rio as Germany became the first European side to win a World Cup in the Americas at the eighth attempt.Having won two Bundesliga titles with Borussia Dortmund, the club he joined as an eight-year-old, Goetze became public-enemy number one with Borussia fans in April 2013 when he actioned a 37 million euro clause in his contract to sign for Bayern Munich.The news caused a stir in Germany as Dortmund’s star player turned his back on his home-town club after sitting out their 2-1 Champions League final defeat in May…