Atletico Madrid meet Bayern Munich in Group D of the UEFA Champions League on Wednesday in a repeat of last season's semi-final, with the German champions eager to get their revenge at the Vicente Calderon Stadium.
Pep Guardiola's Manchester City will look to maintain their perfect record in 2016-17 as they travel to Celtic in Group C, while Arsenal host FC Basel in Group A.
Meanwhile, Barcelona will continue their European campaign at Borussia Monchengladbach having trounced Celtic 7-0 in their tournament opener.
Read on for a look at the full fixture list for Wednesday in the Champions League, along with predictions and a closer examination of the headline matches.