Sporting are the only side with two players in this week's team, with two English 18-year-olds earning a place too.
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Young Chelsea and Arsenal players made their presence felt in this week's UEFA Europa League, while a 6-1 win in Azerbaijan brought extra rewards for Sporting CP.
Note: While the FedEx Performance Zone is a form tracker taking into account domestic and European games, the Team of the Week is based purely on form shown in the UEFA Europa League matchday in question.
Goalkeeper: Tomáš Koubek (Rennes) – 275th (+468 in FedEx Performance Zone ranking)
Defender: Mitchell Weiser (Leverkusen) – 11th (+47)
Defender: Zakhar Volkov (BATE) – 245th (+129)
Defender: Jules Koundé (Bordeaux) – 132nd (+284)
Defender: Andreas Ulmer (Salzburg) – 6th (+21)
Midfielder: Emile Smith Rowe (Arsenal) – 140th (+487)
Midfielder: Hakan Çalhanoğlu (AC Milan) – 31st (+184)
Midfielder: Bruno Fernandes (Sporting) – 62nd (+375)
Midfielder: Jeremain Lens (Beşiktaş) – 27th (+398)
Forward: Abdoulay Diaby (Sporting) – 253rd (+660)
Forward: Callum Hudson-Odoi (Chelsea) – 176th (+792)