Bayern Munich started their preparation for the Bundesliga showdown against Bayer Leverkusen on Saturday without goalkeeper Manuel Neuer and newcomer Bryan Zaragoza. Neuer couldn’t take part in Tuesday’s training due to a slight knee problem, while Zaragoza also sat out because of flu, the German record champions said. Along with Alphonso Davies, who sustained a knee ligament strain against Borussia Mönchengladbach last weekend, Kingsley Coman, Dayot Upamecano, Konrad Laimer, Joshua Kimmich, Bouna Sarr and Serge Gnabry were still absent from the group ahead of the table topper. Bayern are seco…