The two heavyweights haven't been spotless so far, as Real Madrid were beaten by Liverpool, while Man. City have dropped points in two instances.
Match Replays
After equalizing three times, Juventus conquered their first victory at the expense of Bodø/Glimt. Pafos have only been defeated by Bayern so far.
Club Brugge commenced with a strong display but have struggled in the other four tilts. Arsenal topped Bayern too and are the only side still perfect.
Borussia Dortmund have taken home three of their last four fixtures, entering the top eight. Bodø/Glimt have been tenacious but lost three in a row.
Benfica ended a losing streak by edging out Ajax two-nil on the road, while Napoli took care of business against Qarabağ FK, improving their position.
Bayer Leverkusen have gained significant momentum by besting Benfica and Man. City. Newcastle United had their second faux pas against Marseille.
Athletic Club have come out on top once, against Qarabağ FK, and equalized in another match. PSG outlasted Tottenham after their maiden slip-up.
Villarreal need to get going, as their only good result has been a draw with Juventus. Copenhagen just registered their first win against Kairat Almaty.
Qarabağ FK have abated after two early wins but are still in the top 24, while Ajax are the only team still without a point in the competition.
Both outfits have collected six points in five matches, coming out on top on two occasions but getting upended in the remaining three fixtures.
Tottenham endured their first loss in a rollercoaster of a match versus PSG. Slavia Praha have yet to win but have equalized in three bouts.
PSV haven't been super consistent but have already beaten Liverpool and Napoli. Atlético Madrid snatched their first difficult victory against Inter.