Jamal Musiala’s hat-trick led Bayern Munich to a 4-0 thrashing of Mainz and into the last 16 of the German Cup on Wednesday. The young Bayern talent was quick to break the deadlock and was already on target in the second minute, adding a second goal in the 37th. Leroy Sané also put his name on the scoresheet before Musiala completed his hat-trick before the break. “The main focus was on our performance and our best level, which we were able to bring to the pitch today,” coach Vincent Kompany told broadcasters ZDF. Eintracht Frankfurt were down to 10 men since the 15th minute, but still managed…