London, Nov 30: Manchester City and Liverpool grabbed victories in London over Premier League rivals Arsenal and Chelsea to qualify for the semifinals of the League Cup on Tuesday.
Argentina striker Sergio Aguero came off the bench to score an 83rd-minute winner as City claimed a 1-0 win at Emirates Stadium, eliminating Arsenal in the quarterfinals for the second time in three seasons.
Craig Bellamy set up goals for Maxi Rodriguez and Martin Kelly as Liverpool piled the pressure on Chelsea manager Andre Villas-Boas with a 2-0 victory at Stamford Bridge.
Second-tier Cardiff reached the last four for the first time since 1966 by beating Premier League team Blackburn 2-0.
Manchester United hosts Crystal Palace in the other quarterfinal on Wednesday.