Leandro Trossard scored the winning goal against West Ham United to help Arsenal edge closer to the title.
Arsenal took a massive step toward the Premier League title Sunday, but should West Ham's late equalizer been disallowed
Barça are LaLiga champions after winning the Clásico, on a night full of contrasts between them and Real Madrid.
Barcelona coach Hansi Flick said it had been a "tough day" after guiding his team to the LaLiga title against Real Madri
