He ran at Nacho Monreal before coming inside before firing a left footed shot that beat Cech to make it 2 - 1 .
It was a warning Wenger 's men failed to heed as ten minutes later the lively Sterling received the ball on the right flank .
Sterling ran at Nacho Monreal before coming inside before firing a left footed shot that beat Cech to make it 2 - 1 .
It was a warning Wenger 's men failed to heed as ten minutes later the lively Sterling received the ball on the right flank .