There are 8 games taking place tonight in the Champions League.
Arsenal have a tough test tonight as they look to continue their early season good form.
They are at home to last season’s runners- up Borussia Dortmund. The Gunners will be without injured midfielder Mathieu Flamini.
Chelsea travel to Germany to take on Schalke. The Blues are without the injured Ashley Cole.
Celtic will be looking to pick up their first points in their group. They are at home to Ajax in a must-win game at Parkhead. Midfielder Kris Commons is out due to a hamstring injury.
Elsewhere, Barcelona travel to Italy to take on AC Milan in a battle of the big-guns.
Chelsea manager Jose Mourinho has been charged with improper conduct by the FA after he was sent to the stands during the 4-1 victory against Cardiff in the Premier League on Saturday.
Middlesbrough have sacked manager Tony Mowbray. The Championship club lie sixteenth in the table after picking up twelve points from twelve games this season.
