Braga were in control of their last-32 Europa League tie with Rangers but Steven Gerrard's side brilliantly came from behind to win 3-2.
Police have charged and reported a boy following the alleged racist abuse of a Rangers player in a December match against Celtic.
Barcelona revealed two signings on deadline day, Atletico brought in a familiar face, while Juventus' Emre Can moved to Borussia Dortmund.
Repeated controversial decisions against Rangers and Alfredo Morelos have prompted a response from the Old Firm winners.
Alfredo Morelos was sent off for the seventh time in his Rangers career but Nikola Katic's header secured victory over Celtic.
Manchester United may reportedly be forced to pick between two players ahead of the January transfer window.
There were more favourable opponents on paper than Club Brugge and Olympiacos for Manchester United and Arsenal in the Europa League.
Manchester United have a tricky tie against Club Brugge in the next round of the Europa League, while Inter go to Bulgaria's Ludogorets.
Rangers have secured the future of manager Steven Gerrard, who has signed a new contract that runs to 2024.
Rangers bounced back from their defeat in the Scottish League Cup final to progress in Europe, much to Steven Gerrard's delight.