By James Cormack Undoubtedly one of the more intriguing Champions League round of 16 ties gets underway on Wednesday night as Paris Saint-Germain welcome Real Sociedad to Parc des Princes. The stylish Sociedad impressively topped Inter in Group D to progress as group victors, although injuries and a demanding schedule have seen their form slide somewhat heading into this fixture. Imanol’s side have fallen to seventh in La Liga having won just one of their previous five games and were also beaten at home by mid-table Osasuna at the weekend. Still, many fancy them to upset France’s supreme force…