Inter Milan win their 21st Scudetto, edging Napoli, with three matches remaining in the Italian football league season. Celebrations have erupted across Milan after Inter clinched the Serie A title with a 2-0 victory over Parma, sending thousands of supporters into the streets. The Piazza del Duomo was filled with fans clad in blue and black on Sunday, moments after the final whistle at the nearby San Siro, as flares and fireworks lit up the night sky. Marcus Thuram opened the scoring in first-half stoppage time before Henrikh Mkhitaryan sealed the win 10 minutes from time. The winners moved up to 82 points and clinched their 21st Scudetto with three matches remaining in the campaign. Inter entered the match knowing a point would be enough after second-placed Napoli were held to a 0-0 draw at Como on Saturday, and their own result the next day handed them an unbeatable 12-point lead at the top.…