Manchester United return to Champions League action tonight when they welcome Basel to Old Trafford on the opening night in Group A.
The group’s other game sees Benfica entertain C-S-K-A Moscow.
Chelsea also return to European football’s top table by entertaining Azeri champions, Qarabag. Group C’s other encounter sees Atletico Madrid go to Roma.
Celtic’s Group B campaign begins with the visit of big-spending Paris Saint Germain to Parkhead. Bayern Munich face Anderlecht.
Meanwhile in Group D, Barcelona play host to Juventus in the night’s glamour tie while Olympiacos take on Sporting.