Marcel Sabitzer was at the double as a pair of Hugo Lloris errors condemned Tottenham to defeat at RB Leipzig and a Champions League exit.
Milan goalkeeper Mike Maignan was allegedly the subject of racial abuse from Juventus fans on Sunday.
Takumi Minamino did his hopes of more involvement in Liverpool's first team no harm with a double in the EFL Cup win at Norwich City.
Pep Guardiola promised to play Manchester City's youngsters in the EFL Cup, and duly gave five players their senior debuts.
Rio Ferdinand has questioned why Pep Guardiola has only started Raheem Sterling in two of Manchester City's six matches this season.
Bukayo Saka signed a four-year contract with Arsenal last year but may be attracting continental interest.
Liverpool and Chelsea are reportedly interested in signing Bayern Munich's Kingsley Coman.