Arsenal scored three times in the opening 22 minutes en route to a stylish 4-0 victory over Middlesbrough at the Riverside Stadium.
Thierry Henry, Gilberto Silva and Sylvain Wiltord struck the early goals, and Wiltord doubled his tally on the hour-mark.
Arsenal's triumph left them with two wins from two matches, while Middlesbrough were left contemplating their second successive defeat.
Aston Villa beat Liverpool for the first time in almost eight years as they triumphed 3-1 at Anfield.
Lucas Leiva's own goal gave the visitors the lead and Curtis Davies made it 2-0 moments before the break.
Fernando Torres halved the deficit in the 72nd minute but Ashley Young promptly scored a penalty at the other end as Villa replicated their previous victory over Liverpool - another 3-1 win at Anfield in September 2001.
Martin O'Neill's side climbed to 12th, with three points from their opening two fixtures. They moved two places behind a Liverpool side who had picked up three points from three matches.