Celtic's Champions League campaign is back with a bang following the international break as they catch a plane to Germany.
RB Leipzig await in a Wednesday night group stage showdown that promises thrills and spills. Ange Postecoglou's side have stuck to their attacking guns in the opening two fixtures and will be set up to have a go at the Bundesliga big hitters. Leipzig appear to be a team on the up once more following the appointment of Marco Rose to replace Domenico Tedesco, with strikers Timo Werner and Christopher Nkunku finding form at the weekend.
But Celtic have shown they can unsettle the very best and won't carry any apprehension into the Red Bull Arena. With an abundance of attacking talent piled up on both sides, this fixture has all the makings of a classic. Postecoglou put his players through a training session at Celtic Park on Tuesday morning - here's five things we spotted.
