Bayern Munich (Holders; 1st Germany); Barcelona (1st Spain); Chelsea (3rd England); Real Madrid (2nd Spain); Manchester United (1st England); Arsenal (4th England); Porto (1st Portugal); Benfica (2nd Portugal)
Atletico Madrid (3rd Spain); Shakhtar Donetsk (1st Ukraine); Milan (3rd Italy); Schalke (4th Germany); Marseille (2nd France); CSKA Moscow (1st Russia); PSG (1st France); Juventus (1st Italy)
Zenit (2nd Russia); Manchester City (2nd England); Ajax (1st Holland); Borussia Dortmund (2nd Germany); Basel (1st Switzerland); Olympiacos (1st Greece); Galatasaray (1st Turkey); Bayer Leverkusen (3rd Germany)
Copenhagen (1st Denmark); Napoli (2nd Italy); Anderlecht (1st Belgium); Celtic (1st Scotland); Steaua Bucharest (1st Romania); Viktoria Plzen (1st Czech Rep.); Real Sociedad (4th Spain); Austria Vienna (1st Austria)
David Moyes could be in for a tough maiden voyage into the competition proper – he led Everton into the third qualifying round in 2005/06 but lost to Villarreal – and will be eagerly anticipating his chance to pit his wits against European football's elite.
As always, the draw in Monaco features four 'pots' of eight teams seeded by UEFA's club coefficients – their ranking system based on performance in Europe in the last five seasons. A team will be drawn from each pot to make eight groups of four clubs.
United are among the top eight seeds in Pot One, but looking at Pots Two, Three and Four conjures some interesting potential ties.