Champions League Debrief: Sporting stun Man City

How concerned should Manchester City be after Sporting Lisbon inflicted a third straight defeat on Pep Guardiola's side? And what does this result do for current Sporting boss Ruben Amorim as he prepares to take over at Manchester United?Kelly Cates is joined by senior football reporter Ian Dennis and ex-England internationals Stephen Warnock and Andros Townsend to reflect on a bad night for the Premier League champions. There's also reaction to significant wins for Liverpool and Celtic. TIMECODES02:10 Sporting 4-1 Man City 10:15 Man City supporter Rachel Herdson on where it's gone wrong for Man City in the past week. 16:40 How excited will Manchester United fans be about Amorim's victory? 21:00 Liverpool and Celtic's wins