Champions League: PSG and Arsenal falter, Brest continues to soar

European heavyweights Arsenal and PSG suffered frustrating defeats in the Champions League on Wednesday, as newcomers Brest rose to fourth place in the competition's new league format with a 2-1 victory over Sparta Prague. Barcelona continued its blistering form with a 5-2 win over Red Star Belgrade, while Bayern Munich beat Benfica thanks to a Jamal Musiala header.