The draw for the group stage of the Europa League takes place at midday BST, 7 a.m. ET on Friday, Aug. 26.
The 48 teams are separated into four pots ranked in order of UEFA team coefficient, which is based on a club's performance in the Champions League and the Europa League over the past five years.
The 12 highest-ranked teams will be in pot 1, the next 12 in pot 2, then pot 3 with the lowest-ranked 12 in pot 4.
No team can play a club from their own association. Clubs from Russia and Ukraine cannot be drawn in the same group for political reasons.
Seeded Pot 1: Schalke, Zenit St Petersburg, Manchester United, Shakhtar Donetsk, Athletic Bilbao, Olympiakos, Villarreal, Ajax, Inter Milan, Fiorentina, Anderlecht, Viktoria Plzen
Pot 2: AZ Alkmaar, Braga, Salzburg, AS Roma, Fenerbahce, Sparta Prague, PAOK, Steaua Bucharest, Genk, APOEL, Standard Liege, St Etienne
Pot 3: Gent, Young Boys, Krasnodar, Rapid Vienna, Slovan Liberec, Celta Vigo, Maccabi Tel-Aviv, Feyenoord, Austria Vienna, Mainz, FC Zurich, Southampton
Pot 4: Panathinaikos, Sassuolo, FK Qarabag, FK Astana, Nice, Zorya Luhansk, Astra Giurgiu, Konyaspor, Osmanlispor, FK Qabala, Hapoel Beer-Sheva, Dundalk
GROUP STAGE MATCHDAYS
September 15
September 29
October 20
November 3
November 24
December 8
Round of 32 draw: Monday, Dec. 12.