Boro will play one team from Pot 1, Pot 3 (not Bolton), Pot 4 and Pot 5.
Pot 1
CSKA Moscow (Russia)
Roma (Italy)
Stuttgart (Germany)
Monaco (France)
Hertha Berlin (Germany)
Locomotiv Moscow (Russia)
Besiktas (Turkey)
Alkmaar (Nertherlands)
Pot 2
Seville ((Spain)
Marseille (France)
PAOK (Greece)
Slavia Prague (Czech Republic)
Basel (Switzerland)
BORO
Espanyol (Spain)
Lens (France)
Pot 3
Shaktar Donetsk (Ukraine)
Heerenveen (Netherlands)
Dnipro (Ukraine)
Hamburg (Germany)
Red Star Belgrade (Serbia)
Bolton
Sampdoria (Italy)
Palermo (Italy)
Pot 4
Steaua Bucharest (Romania)
Brondby (Sweden)
Grasshoppers (Switzerland)
Zenit St. Petersburg (Russia)
Levski Sofia (Bulgaria)
Strasbourg (France)
Stade Rennais (France)
CSKA Sofia (Bulgaria)
Pot 5
Vitoria Guimaraes (Portugal)
Lovech (Bulgaria)
Halmstads (Sweden)
Viking Stavanger (Norway)
Dinamo Bucharest (Romania)
Rapid Bucharest (Romania)
Maccabi Petah-Tikva (Israel)
Tromso (Norway)
Each club plays alternate home and away games, based on the following schedule. The relationship between the Pots and the Match Day letters is yet to be announced, it is not Pot 1 = A, Pot 2 = B etc.
Match Day 1 (20th October)
D v B
E v A
C not playing
Match Day 2 (3rd November)
B v E
C v D
A not playing
Match Day 3 (24th November)
A v B
E v C
D not playing
Match Day 4 (30th November/1st December)
C v A
D v E
B not playing
Match Day 5 (14th/15th December)
A v D
B v C
E not playing