New arrivals (18): Apollon Limassol FC (CYP), FC Internazionale Milano (ITA), KSC Lokeren OV (BEL), FC Lokomotiv Moskva (RUS), FC Metalist Kharkiv (UKR), FC Midtjylland (DEN), VfL Borussia Mönchengladbach (GER), CD Nacional (POR), PAOK FC (GRE), SK Rapid Wien (AUT), FC Rostov (RUS), AS Saint-Étienne (FRA), Tottenham Hotspur FC (ENG), Trabzonspor AŞ (TUR), FC Twente (NED), Villarreal CF (ESP), FC Zürich (SUI), PEC Zwolle (NED).
Transfers from UEFA Champions League (15): AEL Limassol FC (CYP), FC Aktobe (KAZ), Celtic FC (SCO), Debreceni VSC (HUN), GNK Dinamo Zagreb (CRO), FC Dnipro Dnipropetrovsk (UKR), Feyenoord (NED), Grasshopper Club (SUI), HJK Helsinki (FIN), Maccabi Tel-Aviv FC (ISR), Panathinaikos FC (GRE), FK Partizan (SRB), Qarabag FK (AZE), FC Sheriff (MDA), AC Sparta Praha (CZE).
Qualifiers from third qualifying round (29): FC Astana (KAZ), Asteras Tripolis FC (GRE), FC Astra (ROU), Club Brugge KV (BEL), FC Dinamo Minsk (BLR), FC Dinamo Moskva (RUS), IF Elfsborg (SWE), HNK Hajduk Split (CRO), Hull City (ENG), Kardemir Karabükspor (TUR), FC Krasnodar (RUS), Olympique Lyonnais (FRA), Neftçi PFK (AZE), AC Omonia (CYP), FC Petrolul Ploieşti (ROU), PSV Eindhoven (NED), Real Sociedad de Fútbol (ESP), HNK Rijeka (CRO), Rio Ave FC (POR), Ruch Chorzów (POL), FK Sarajevo (BIH), FC Shakhtyor Soligorsk (BLR), FC Spartak Trnava (SVK), RNK Split (CRO), Stjarnan (ISL), Torino FC (ITA), BSC Young Boys (SUI), FC Zimbru Chisinau (MDA), FC Zorya Luhansk (UKR).
Seedings: The teams are split into six groups for the draw (five of ten and one of 12). Within the groups, an equal number of sides are seeded and unseeded in accordance with the club rankings established at the start of the season. Seedings will be confirmed on UEFA.com on Friday.