With new goalkeeper Yann Sommer between the posts, Bundesliga leaders Bayern Munich have restarted their season with a 1-1 draw at RB Leipzig on Friday. In a first-half that barely had any goal chances, the Bavarians broke the deadlock in the 37th minute. Serge Gnabry worked on the left side and whipped the ball to the back post, where Eric Maxim Choupo-Moting found the net from close range despite being surrounded by four defenders. Leipzig found an answer after the break, when Dominik Szoboszlai’s diving header after a cross from Andre Silva was completed by Marcel Halstenberg in the 52nd. N…