Its on Sky Sports 2 in ireland, perhaps not in the UK..
(BTW, from an earlier comment i was referring to the Arse match, maybe we got our wires crossed)
Sky Sports 2UPC Channel: 403Sky Channel: 402
19:30
Live Carling Cup Football Arsenal v Manchester City (Kick-off 8.00pm). Coverage of the quarter-final clash at the Emirates Stadium, where the teams compete for a place in the last four. The Gunners progressed to this stage following a 2-1 home win over Bolton Wanderers that initially saw them go a goal behind early in the second half, whereas the Citizens came through a high-scoring contest away to Wolves, winning 5-2 at Molineux.
www.entertainment.ie