Bournemouth stunned 10-man AC Milan with a 3-0 win at the Vitality Stadium to maintain their perfect start in the Europa League.
The Cherries, embarking on the club's first European campaign, went ahead through an early penalty from Justin Kluivert.
The Italian giants, seven-time champions of Europe, then saw goalkeeper Mike Maignan sent off after 27 minutes for slapping James Hill in the face at a corner, with Marcus Tavernier converting the resulting spot-kick.
Amine Adli added a fine late free-kick as Marco Rose's side ended the night third in the table.
Benfica sit top after a 4-1 win away to Cypriot side Omonia, while Bayer Leverkusen are also on nine points after their 2-0 victory at OFI Crete after Jonas Hofmann scored twice in the first half.
Ferencvaros made it three straight wins after beating Torreense 4-1, while Olympiacos are another side with a 100 per cent start following a 1-0 home win over Sparta Prague.
Belgians Union Saint-Gilloise are sixth after a 4-0 win against Hapoel Be'er Sheva, with Serie A side Juventus also on seven points having been held to a 2-2 draw by Rennes at Allianz Stadium.
Besiktas fought out a 2-2 draw with Crystal Palace, finishing with 10 men after a late red card for Umit Akdag, to sit in the final top-eight spot ahead of Sunderland, who are also unbeaten but had to settle for a 1-1 draw away to Lech Poznan.
Celtic's struggles continued after slumping to a 2-1 home defeat against Celta Vigo, who scored twice in three second-half minutes to come from behind.