Jamal Musiala scored and set up two others as champions Bayern Munich ended a Bundesliga mini crisis 4-0 over Bayer Leverkusen on Friday. Musiala, 19, fed Leroy Sane for a third-minute opener to sooth the nerves of Munich who had gone winless in their previous four league matches, three draws and a 1-0 defeat against lowly regional rivals Augsburg before the international break. Musiala got the second himself in the 17th after a one-two with Thomas Müller, firing a low shot into the near right corner which goalkeeper Lukas Hradecky failed to keep out. Bayern keeper Manuel Neuer returned from a…