Mikel Arteta, Olivier Giroud and Lukas Podolksi scored in the last five minutes as Arsenal came from behind to beat Norwich 3-1. Elsewhere, Everton overcame Queens Park Rangers 2-0 while Aston Villa drew with Fulham.
Liverpool fought from behind to beat West Ham 3-2 at Upton Park, with help from former Hammers Glen Johnson and Joe Cole.
Goals in either half from Vincent Kompany and Jan Vertonghen guided Belgium to a 2-0 victory against Wales, who faced a tough task after James Collins was dismissed.
Chris Coleman has been forced to bring in Joel Lynch and Robert Earnshaw into his Wales squad for Wednesday's friendly with James Collins and Jack Collison pulling out with injuries.
Arsenal came from behind to defeat Shrewsbury 3-1 in the third round of the League Cup, while a new-look Manchester United eased three unanswered goals past Leeds United, and Bolton Wanderers beat Aston Villa.
A first-half James Collins header gave Aston Villa a 1-0 win over Newcastle United at Villa Park, easing their relegation fears as the victory moved them five points clear of the Premier League's bottom three.