Manchester United and Barcelona are making their final preparations for Wednesday’s Champions League final in Rome in which the English and Spanish clubs will go head to head for the biggest prize in European club football. Wednesday’s final at the 67,000-capacity Stadio Olimpico, which kicks off at 8.45 p.m. local time (1445 ET), is the most eagerly awaited match of the season, bringing together two of the continent’s best supported and most successful teams — both with reputations for attacking football