source: DTM, photos: DTM and Audi Sport The number jigsaw has been solved as all the 18 drivers have made up their mind. The most important information beforehand: in the 2018 season, the spectators will not find the No 1 on the DTM grid. The reigning champion, René Rast, opted for the same approach as Lewis Hamilton in Formula One or Marc Márquez in MotoGP: despite being the champion he does without contesting the season with the #1 that is reserved for the title defender but once agai...