Callum Hudson-Odoi has his first goal for Bayer Leverkusen, giving the German side a 1-0 lead at Porto.
The 21-year-old is on loan from Chelsea.
His last goal... coincidentally... is in that Chesterfield game I mentioned three minutes ago.
Richarlison, who scored twice against Marseille in the first Champions League game, tries to get Spurs down the field, but is challenged strongly by Djibril Sow, which brings his progress to an abrupt halt.
Barcelona's first effort on target but Andreas Christensen's header from a corner is an easy catch for Andre Onana.