E15: Battered by Mbappe, what next for Barcelona & Messi?

Send us a text Sam, Rik and Toni dissect Barcelona's 4-1 defeat at the hands of a Kylian Mbappe-inspired Paris Saint-Germain in the Champions League. Where did it go wrong? What does it mean for Lionel Messi's future? And Ronald Koeman? Running order: -- Mbappe batters Barça -- Can Barça compete with big clubs? -- 'We were all wrong' -- Defend with possession -- Koeman to blame? -- Delayed revolution -- Messi's future -- Rik's ratings -- Remontada?! ...