Robert Lewandowski, Pablo Torre scored twice each while Pedri Gonzalez also put his name on the scoresheet.
Erik ten Hag has his eyes set on "winning trophies" in the leagues and focused on player rotations to cover all the games.
Despite Leverkusen storming to the league title without losing a match last term, something Bayern have never managed in their history, Kompany said Alonso's side were still underdogs.
Cahill said there was no question at all of Sinner seeking to gain advantage through use of a banned substance.
Ten Hag came through the youth ranks with Twente before going on to make over 200 appearances as a player with the Tukkers ahead of his management days. The 54-year-old