Mikel Arteta praised Arsenal's mental strength to strike late through Eddie Nketiah and beat West Ham 2-1 despite an underwhelming performance at the Emirates.
Teenage defender Adrien Truffert had a dream debut on Saturday, coming off the bench to set up the equalizer and score the winner as Rennes beat Monaco 2-1 to move top of the French league. The 18-year-old left back was only on the field because of an injury to Faitout Maouassa late in the first half. With nine minutes remaining, Truffert's pinpoint cross from the left was met by France midfielder Steven Nzonzi's downward header.
A great start for one American youngster, as Giovanni Reyna drives Dortmund to a big win, but Werder Bremen loses with Josh Sargent in a new position.